Chart · Break-Even
Worked Example: Accepting an Order with Displaced Work
Follow an additional order from revenue through setup and displaced contribution, then separate its incremental profit from payment timing.
A producer has an offer for 200 additional units at $18 each. Incremental materials and delivery cost $11 per unit. The order also requires $500 of setup work and occupies capacity that would have generated $300 of contribution from another customer. This worksheet compares accepting the order with declining it. It deliberately keeps accounting profit for the whole company separate from this one decision.
Incremental result = 200 × ($18 − $11) − $500 − $300 = $600
| Step | Calculation | Amount |
|---|---|---|
| Additional revenue | 200 × $18 | $3,600 |
| Incremental unit costs | 200 × $11 | −$2,200 |
| Setup caused by order | Separate quote | −$500 |
| Contribution forgone | Other order after avoidable costs | −$300 |
| Incremental result | $3,600 − $2,200 − $500 − $300 | $600 |
| Required revenue for zero incremental result | $2,200 + $500 + $300 | $3,000 |
| Minimum offer per unit | $3,000 / 200 | $15.00 |
Interpret the result
The modeled $600 improvement does not mean the order deposits $600 in the bank immediately. If the customer pays next month and the $2,700 of physical costs are paid now, current cash falls $2,700 before any deposit. The $300 forgone contribution is not a current cash payment; it represents the alternative result sacrificed. With a $1,000 deposit paid now, the immediate cash movement from the modeled order becomes minus $1,700, with the rest of the sale still uncollected.
Check before applying the example
If displaced contribution rises to $1,000, incremental result becomes minus $100 and the minimum offer becomes $18.50. If no work is displaced, incremental result becomes $900. Neither variation proves feasibility: confirm the promised delivery date, the setup scope and whether the customer would accept another price. Exclude sunk quotation effort from the incremental decision, but retain it in a complete project profitability review.
Use your own inputs
The calculator uses the same stated decision boundary.
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Calculator
Special Order Incremental Profit Calculator
Compare a special order with declining it, including additional setup expense and contribution displaced…
Method reference: OpenStax: Special Order Decisions. Checked October 22, 2026. Incremental cost and capacity concepts only; no legal pricing rules or market prices are asserted.
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