Sunk cost is irrelevant for short-term decision because
Sunk cost is irrelevant for short-term decision because:
A. It is future incremental cost
B. Already incurred and cannot be changed
C. Fully variable with production
D. Avoidable if reject project
Answer: B
Rationale: Sunk cost is past historical spending; no current decision can alter its amount, excluded from relevant cost calculation.

