Special Order Decision
One-time pricing opportunities — when a discounted order adds incremental profit and when it doesn't.
Why This Matters
From time to time, businesses receive unusual requests: a large customer wants a one-time order at a discounted price, an event organizer wants bulk with custom packaging, or a distributor offers to buy excess capacity at a lower price.
These are special orders — one-off deals that differ from normal business in price, terms, or volume. The central question: "Should we accept this special order at the proposed price?"
Key Assumptions in Special Order Analysis
Idle (unused) capacity exists
The order can be filled without reducing regular sales.
Fixed manufacturing costs are unchanged
The order does not require new equipment or additional fixed overhead.
The special price is temporary
It is unlikely to reset expectations of regular customers.
If these assumptions don't hold, the analysis must be adjusted accordingly.
Quantitative Framework: Incremental Analysis
INCREMENTAL PROFIT FORMULA
Incremental Profit = Incremental Revenue − Incremental Costs
Incremental revenue: Special order units × special order price
Incremental costs: Variable costs per unit + order-specific fixed costs (setup, custom labels, shipping). Allocated fixed overhead that doesn't change = irrelevant.
Positive incremental profit → accept (ignoring qualitative issues). Negative → reject.
Example — ABC Coffee Shop: Convention Special Order
ABC operates at 80% capacity. A convention organizer asks for 4,000 bottles at $1.70/bottle (normal price $2.20).
| Cost Element | Per Bottle | Relevant? |
|---|---|---|
| Direct materials | $0.70 | Yes |
| Direct labor | $0.25 | Yes |
| Variable overhead | $0.15 | Yes |
| Custom labels (order-specific) | $0.05 | Yes |
| Total incremental cost | $1.15 | |
| Fixed OH allocation | $0.40 | No |
Incremental Revenue
$6,800
4,000 × $1.70
Incremental Cost
$4,600
4,000 × $1.15
Incremental Profit
$2,200
ACCEPT
Case 2: No Idle Capacity (Displacing Regular Sales)
If ABC is at full capacity, accepting the 4,000-bottle order means forgoing 4,000 regular sales at $2.20. The opportunity cost per bottle is $2.20 − $1.70 = $0.50.
Opportunity cost: 4,000 × $0.50 = $2,000
Incremental profit = $6,800 − $4,600 − $2,000 = $200
Benefit is minimal — qualitative factors (customer impact, brand) become more important. Management might still accept, but the numbers are thin.
Special Order Calculator
Pre-filled with ABC Coffee Shop convention cold brew order. Toggle capacity to see how opportunity cost from displaced regular sales changes accept/reject and incremental profit.
Incremental Revenue
$6,800.00
Incremental Cost
($4,600.00)
Incremental Profit
$2,200.00
Decision: ACCEPT
CM per unit (before opportunity cost): $0.55. Any price above $1.15 incremental cost adds profit.
Qualitative Considerations
Even when incremental profit is positive, ask:
Floor Price for Special Orders
The lowest acceptable price must cover incremental cost per unit (plus any desired margin).
Idle capacity: Floor = Incremental cost = $1.15/bottle
If ABC wants $0.20 incremental profit/bottle: Floor = $1.15 + $0.20 = $1.35
Any special order price above $1.35 adds at least $0.20/bottle to profit (assuming idle capacity and acceptable qualitative factors).
Common Mistakes
Mistake 1: Including Allocated Fixed Overhead
❌ Wrong
"Full cost is $1.50 including $0.40 fixed OH — only $0.20 margin at $1.70."
✅ Right
Fixed overhead is already covered by regular sales. Base decision on incremental variable + order-specific costs only ($1.15).
Mistake 2: Ignoring Impact on Regular Sales
❌ Wrong
Accepting a discounted order at full capacity without considering lost regular sales.
✅ Right
Include opportunity cost — profit on regular sales you give up. $2,200 becomes $200 when capacity is constrained.
Decision-Making Section Complete
Concepts #97–99 equip you with a consistent framework for short-term managerial decisions.
Concept #97
Relevant Costs
Identify future costs that differ between alternatives; strip sunk and unavoidable costs.
Concept #98
Make or Buy
Apply relevant cost logic to outsourcing, including opportunity cost of capacity.
Concept #99
Special Order
Evaluate one-time orders by comparing incremental revenue to incremental cost.
Key Takeaway
Special order decisions compare the incremental revenue from a one-time order to the incremental costs of filling it, under the assumption that most fixed costs are already covered. When there is idle capacity and the order does not affect regular sales, any price above incremental cost adds to profit. When capacity is constrained, opportunity cost of displaced regular sales must be included. Qualitative factors — brand impact, customer expectations, and relationships — can justify accepting or rejecting an order beyond what the numbers alone suggest.
Test Your Understanding
Idle capacity, opportunity cost, and incremental profit — check your answers.
Question 1: A plant has idle capacity. A special order offers 5,000 units at $12 each. Variable cost per unit is $9. No additional fixed costs. Should the order be accepted?
Question 2: True or False: When capacity is fully used, special order analysis should ignore regular sales.
Question 3: ABC Coffee Shop: 4,000 bottles at $1.70 special price. Incremental cost $1.15/bottle. At full capacity, regular price is $2.20. What is incremental profit?
Ready to Practice?
Evaluate special orders, toggle capacity constraints, and compute floor prices in the Practice Lab.
Try the Practice LabWhat's Next?
Next module: Capital Budgeting — long-term investment decisions using net present value, internal rate of return, and payback analysis.
Capital Budgeting
Long-term investment decisions
Make or Buy Decision
Outsourcing with relevant costs