Itemized Costing, Cost of Making (CM) & FOB Pricing
Lesson Contents Overview
Learning Objectives
Comprehensive Technical GuidanceTextbook & Training SOP
Itemized Costing, Cost of Making (CM) & FOB Pricing
1. Introduction: The Commercial Heart of Garment Merchandising
In the export apparel manufacturing sector, Garment Costing is the financial engine that determines whether an order generates healthy enterprise profit or drives the factory into insolvency. A professional merchandiser must possess both technical garment engineering knowledge and commercial acumen to synthesize material consumptions, factory labor, wet processing, trade finance, and inland logistics into a competitive Free On Board (FOB) quotation.
Every cent counts: across a 100,000-piece export order, a $0.05 per piece under-costing error represents a direct $5,000 cash loss from the factory's bottom line.
2. The Four Stages of Garment Costing
THE 4 GARMENT COSTING STAGES
- Inquiry / Provisional Costing: Prepared within 24 to 48 hours of receiving a buyer tech pack sketch. Uses historical fabric yields and estimated SMVs to provide a quick price bracket.
- Pre-Order Development Costing: Prepared during the sampling stage with certified mill lab dip quotes, exact CAD marker yields, and buyer-nominated trim pricing.
- Confirmed Bulk FOB Costing: The final legal and commercial cost baseline locked upon receiving the buyer Purchase Order (PO) and Master Letter of Credit (L/C).
- Post-Production Reconciliation Costing: Conducted after shipment to compare actual fabric consumption, line efficiency, and rejected garments against the initial costing budget.
3. Comprehensive Anatomy of FOB Price Build-Up
The Free On Board (FOB) price is the international standard pricing term for garment exports. It encompasses every single operational and commercial cost required to deliver packed garments loaded onto the ocean vessel at the port of departure.
FOB PRICING ARCHITECTURE
4. Cost of Making (CM) Deep-Dive: The Mathematical Method
In modern industrial garment manufacturing, CM is never guessed. It is calculated scientifically from Industrial Engineering (IE) time-and-motion studies.
The SMV and Line Efficiency Formula
Cost per Minute (USD) = Total Monthly Line Operating Cost (USD)Working Days × Hours/Day × 60 × Machines on Line
CM per Garment (USD) = Garment SMV (Minutes) × Factory Cost per Minute (USD)Target Line Efficiency (Decimal)
CM per Dozen (USD) = CM per Garment × 12
Real Factory CM Calculation Example
- Garment Style: Men's Classic Polo Shirt (Style # PL-9402)
- Standard Minute Value (SMV): 18.50 minutes (Cutting: 1.5 min, Sewing: 14.0 min, Finishing: 3.0 min).
- Factory Cost per Minute: $0.0243 USD / minute.
- Target Line Efficiency: 60% (0.60).
CM per Piece = 18.50 × 0.0243 / 0.60 = 0.4495 / 0.60 = $0.749 ($0.75 / piece) CM per Dozen = $0.75 × 12 = $9.00 / dozen
5. Commercial, Port & Logistics Cost Allocation
Merchandisers must account for export execution charges managed by the Commercial Department.
| COMMERCIAL COST COMPONENT | BASIS OF CALCULATION | COST PER DOZEN |
|---|---|---|
| Master L/C Advising & Stamp Duty Back-to-Back L/C Opening Charge Utilization Declaration (UD) / EXP C&F Port Agent Clearance (Ctg) Inland Covered Van Freight Third-Party Testing (Intertek/SGS) | Bank standard tariff 0.40% of Import Value BGMEA/BKMEA flat fee Per container charge Factory to Ctg Port Package testing fee | 0.15 - 0.25 0.20 - 0.35 0.08 - 0.12 0.18 - 0.30 0.35 - 0.55 0.15 - 0.30 |
| TOTAL COMMERCIAL & FREIGHT BUFFER | Per Dozen Garments | 1.11 - 1.87 |
6. Complete Itemized Costing Walkthrough: Men's Polo Shirt
Core Commercial Concept
Itemized Calculation Steps:
- Main Fabric (100% Cotton Pique 220 GSM):
- Gross Consumption = 3.078 kg/dzn @ $6.20/kg = $19.08/dzn ($1.590/pc).
- Collar & Cuffs (1x1 Flat Knit Jacquard):
- Gross Consumption = 12.48 sets/dzn @ $0.65/set = $8.11/dzn ($0.676/pc).
- Sewing Trims & Interlining:
- Thread ($0.10) + Buttons ($0.22) + Fusing ($0.17) + Neck Tape ($0.35) + Slit Tape ($0.10) = $0.94/dzn ($0.078/pc).
- Branding Labels:
- Main Label ($0.56) + Care/Size Label ($0.31) = $0.87/dzn ($0.073/pc).
- Embellishment (2-Color Chest Embroidery):
- 6,500 Stitches @ $0.18/pc = $2.16/dzn ($0.180/pc).
- Garment Wash (Bio-Enzyme & Silicone Softener):
- Chemical & Labor Wash @ $0.12/pc = $1.44/dzn ($0.120/pc).
- Packaging Materials:
- Hangtags ($1.47) + Polybag ($0.43) + Master Carton ($0.35) + Gum Tape ($0.02) = $2.27/dzn ($0.189/pc).
- Cost of Making (CM):
- SMV 18.5 min @ 60% Efficiency = $9.00/dzn ($0.750/pc).
- Factory Overheads (Rent, Boiler, Utilities):
- Allocated rate @ $0.12/pc = $1.44/dzn ($0.120/pc).
- Commercial & Port Logistics:
- L/C, UD, C&F, and Covered Van @ $0.10/pc = $1.20/dzn ($0.100/pc).
- Quality Lab Testing:
- Intertek Fabric & Seam Test package @ $0.02/pc = $0.24/dzn ($0.020/pc).
- Subtotal Manufacturing Cost:
- Sum of Items 1 to 11 =46.75 / Dozen}$ ($3.896 / pc).
- Factory Net Profit (8.2% Markup on Total Cost):
- Profit markup = $3.84/dzn ($0.320/pc).
FINAL NET FOB EXPORT PRICE = $46.75 + $3.84 = $50.59 / Dozen = $4.216 / Piece
7. Value Engineering & Buyer Price Negotiation
When a buyer's target price is lower than the initial factory cost estimate, experienced merchandisers employ Value Engineering (VE) to close the gap without compromising margin.
| VALUE ENGINEERING LEVE | | TECHNICAL ACTION | TYPICAL SAVING |
|---|---|---|
| Fabric Cuttable Width Yarn Sourcing Blend SMV Streamlining Packaging Optimization Trim Finishes | Increase from 58" to 60" width Switch to optimized combed blend Simplify pocket or placket seam Increase pieces per carton (48->6 Poly pearl instead of real shell | 0.08 - 0.15 / pc 0.05 - 0.12 / pc 0.04 - 0.10 / pc )| 0.02 - 0.04 / p 0.03 - 0.08 / pc |
8. Professional Merchandiser Costing Audit Checklist
1. Standard Garment Cost Breakdown Components (% of FOB)
| Cost Category | Typical % of FOB Price | Key Items Included | Responsible Department |
|---|---|---|---|
| Main & Contrast Fabric | 50.0% to 65.0% | Yarn, knitting/weaving, dyeing, chemical finishing, fabric wastage | Fabric Sourcing & Textile Lab |
| Trims & Accessories | 8.0% to 14.0% | Sewing threads, buttons, zippers, elastics, labels, tapes, interlining | Trim Merchandising & Sourcing |
| Embellishment & Wash | 4.0% to 10.0% | Chest print, embroidery, heat transfers, enzyme/stone wash, softening | Printing, Embroidery & Wash Dept |
| Packaging & Cartons | 3.0% to 5.0% | Polybags, barcode stickers, hangtags, tissue paper, 5/7-ply master cartons | Finishing & Packaging Dept |
| Cost of Making (CM) | 12.0% to 20.0% | Direct cutting, sewing, trimming, iron pressing, and packing labor wages | Industrial Engineering (IE) & Production |
| Factory Fixed Overheads | 3.0% to 6.0% | Factory rent, boiler fuel, electricity, compliance, management salaries | Finance & Accounts |
| Commercial & Transport | 2.0% to 4.0% | L/C bank fees, UD/EXP processing, C&F port clearance, covered van freight | Commercial Department |
| Testing & Inspection | 0.5% to 1.5% | Third-party testing (SGS/Intertek), buyer QA inspection charges | Quality Assurance |
| Factory Net Profit Margin | 5.0% to 10.0% | Net operating margin retained by the factory enterprise | Executive Board / Management |
2. Complete Itemized Cost Sheet for Men's Classic Pique Polo Shirt (Style # PL-9402) - Order Qty: 24,000 Pcs (2,000 Dzn)
| Cost Head | Item Description & Specification | Consumption / Dzn | Unit Rate (USD) | Cost / Dzn (USD) | Cost / Pc (USD) |
|---|---|---|---|---|---|
| A. Main Fabric | 100% Combed Cotton Pique 220 GSM (Envoy Textiles) | 3.078 kg (inc 8% wst) | $6.20 / kg | $19.08 | $1.590 |
| B. Collar & Cuffs | 1x1 Flat Knit Jacquard Collar + Cuffs (In-House) | 12.48 sets (inc 4% wst) | $0.65 / set | $8.11 | $0.676 |
| C. Sewing Trims | Thread, 18L Pearl Buttons, Placket Fusing, Neck Tape | 1 Set / Dzn + wastage | Itemized breakdown | $0.94 | $0.078 |
| D. Branding Labels | Damask Main Label, Printed Satin Care & Size Label | 12.36 pcs each | Itemized breakdown | $0.87 | $0.073 |
| E. Embellishment | 2-Color Chest Embroidery (6,500 stitches, Madeira thread) | 12 pcs / dzn | $0.18 / pc | $2.16 | $0.180 |
| F. Garment Wash | Silicone Softener + Bio-Enzyme De-Pilling Wash | 12 pcs / dzn | $0.12 / pc | $1.44 | $0.120 |
| G. Packaging Materials | Recycled Polybag, Hangtag with String, 5-Ply Master Carton | 1 Set / Dzn + wastage | Itemized breakdown | $2.27 | $0.189 |
| H. Cost of Making (CM) | Cutting, Sewing (SMV 18.5 min @ 60% Eff), Pressing, Packing | 12 pcs / dzn | $0.75 / pc | $9.00 | $0.750 |
| I. Commercial & Port | L/C Advising, UD/EXP, C&F Chattogram, Covered Van Dhaka-Ctg | 12 pcs / dzn | $0.10 / pc | $1.20 | $0.100 |
| J. Quality Testing | Intertek Color Fastness, Dimensional Stability, Pilling Test | Allocated / dzn | $0.02 / pc | $0.24 | $0.020 |
| K. Factory Overhead | Electricity, Gas Boiler, Compliance & Administration | Allocated / dzn | $0.12 / pc | $1.44 | $0.120 |
| L. Factory Net Profit | Target Net Profit Margin (8.0% on Total Manufacturing Cost) | Per dozen markup | $0.32 / pc | $3.84 | $0.320 |
| TOTAL NET FOB PRICE | FOB Chattogram Port, Bangladesh (L/C At Sight / TT) | 12 Pcs / Dozen | Total Unit Cost | $50.59 / Dzn | $4.216 / Pc |
Practical Commercial Flow
Senior Merchandiser Rafiq at Sterling Apparels quoted an initial FOB price of $4.55/pc for a 40,000-piece Men's Casual Shirt order to a German buyer. The buyer's sourcing director countered with a firm target price of $4.20/pc ("Take it or we place the order in Vietnam"). Rafiq conducted an emergency value-engineering session with IE and Sourcing: (1) Sourced a 40s poplin from a nominated mill with 58" cuttable width instead of 56", increasing CAD marker efficiency by 2.2% and saving $0.14/pc in fabric; (2) Replaced real shell buttons with high-grade polyester pearl buttons, saving $0.05/pc; (3) Re-engineered the cuff assembly in the sewing line to reduce SMV from 22.0 min to 19.5 min, saving $0.09/pc in CM; (4) Agreed with management to adjust profit margin from 10% to 8%, saving $0.07/pc. The revised factory cost came to $4.20/pc, securing the $168,000 order profitably.
Factory Real-Life Scenario
Scenario: A factory in Ashulia quoted an FOB price of $3.10 for a 60,000-piece heavy fleece hoodie order without accounting for wet wash shrinkage in the fabric consumption formula and omitting the $0.15/garment enzyme wash cost from the costing sheet. When bulk production started, the fabric required 12% extra weight to achieve post-wash dimensions, generating an unforeseen $28,000 fabric deficit alongside $9,000 in unbudgeted washing expenses.
Solution: The Managing Director intervened and negotiated an open-costing review with the buyer, presenting certified wash shrinkage test reports. The buyer agreed to absorb $0.18/pc through an L/C price amendment, while the factory absorbed the remaining $0.12/pc by optimizing cut-to-pack line efficiency.
Impact: Prevented the factory from defaulting on the order and led to a mandatory company policy: All wash garments must undergo pre-costing pilot wash shrinkage tests in the in-house lab before signing final FOB price agreements.
Commercial Officer Best Practice
Never treat Cost of Making (CM) as a static arbitrary number (e.g., "$0.60 per T-shirt"). Always calculate CM scientifically from the Industrial Engineering (IE) Standard Minute Value (SMV), multiplying by the factory cost per minute and dividing by the projected line efficiency percentage.
Top Beginner Mistakes to Avoid
- Omitting commercial banking charges (L/C advising, B2B opening, EXP/UD processing) from the costing sheet.
- Calculating fabric cost on gross consumption but forgetting to include supplier freight/handling charges.
- Underestimating SMV for styles with complex operations (e.g., hidden plackets, welt pockets, taped seams).
- Quoting fixed FOB prices during high raw cotton/yarn volatility without including an exchange rate or raw material price validity clause.
- Failing to verify whether the buyer's quoted price is FOB (factory pays transport to port) or Ex-Factory (buyer pays transport).
Important Commercial & Trade Terminology (8 Terms)
An international commercial term (Incoterm) meaning the seller delivers the goods on board the vessel nominated by the buyer at the named port of shipment (e.g., Chattogram Port). The seller pays all costs up to loading.
💡 Note: Standard trading basis for over 90% of Bangladesh RMG exports.The direct manufacturing cost charged by the factory to cut, sew, trim, press, and pack the garment, excluding raw materials.
💡 Note: Formula: (Garment SMV x Cost per Minute) / Planned Efficiency %.The standardized time (in decimal minutes) required by a qualified operator working at standard performance to complete a specific manufacturing operation.
💡 Note: Determined by Industrial Engineering (IE) time-and-motion studies.Indirect operational expenses required to run the factory (rent, electricity, gas, boiler maintenance, compliance audits, administrative salaries, depreciation).
💡 Note: Allocated as a fixed dollar amount per dozen or percentage of CM.Expenses associated with international trade banking, trade documentation, L/C handling, customs clearance, and inland trucking to the seaport.
💡 Note: Typically ranges from $0.80 to $1.80 per dozen garments.A transparent negotiation practice where the factory shares the exact itemized cost breakdown (fabric, trims, CM, profit) with the buyer to reach an agreed FOB price.
💡 Note: Requires rigorous data accuracy to defend CM and overheads.Systematic analysis of a garment's design, materials, and manufacturing methods to lower production costs without compromising aesthetics or functional quality.
💡 Note: Used to bridge target price gaps during buyer negotiations.Cost of Making plus the internal labor and materials required for pressing, tagging, folding, polybagging, and boxing.
💡 Note: Commonly requested by CMT (Cut, Make, Trim) buyers.Interview Preparation Questions & Answers (5 Questions)
Master these high-frequency interview questions for Commercial Officer, Merchandising, and Export Executive roles.
Ex-Factory (EXW) price includes only manufacturing costs at the factory gate; the buyer pays all domestic transport, port handling, and ocean freight. FOB (Free On Board) price includes Ex-Factory cost plus inland trucking, customs clearance, and port loading onto the vessel at the export port (e.g., Chattogram). CIF (Cost, Insurance & Freight) price includes FOB cost plus ocean freight and marine insurance to the destination port (e.g., Hamburg or New York).
Frequently Asked Questions (4 FAQs)
Clear, beginner-friendly answers to the most common questions about the Commercial Department.
Key Takeaways & Summary Points
Executive Lesson Summary
Itemized garment costing and FOB pricing represent the financial foundation of the apparel export business. By methodically aggregating fabric yields, trims, embellishments, washings, scientifically calculated CM, factory overheads, and commercial logistics into a transparent cost sheet, merchandisers protect enterprise margins and negotiate with international buyers with total technical confidence.
Lesson Downloads & SOP Templates
Garment Merchandising Process: From Order Confirmation to Shipment
Comprehensive industry standard guide.
Read Guide