If Bluebird accepts this additional business, the incremental cost will be: c. $33,750.
Using this formula
Incremental cost=Number of order for feeders× Variable cost
Where:
Number of order for feeders=15,000 feeders
Variable cost=$2.25
Let plug in the formula
Incremental cost=15,000×$2.25
Incremental cost=$33,750
Inconclusion if Bluebird accepts this additional business, the incremental cost will be: c. $33,750.
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