Answer:
See below
Explanation:
Option of whether Pine street Inc. should sell unfinished book cases
Sales per unit
$59
Less:
Variable cost per unit
$37
Contribution per unit
$22
Less:
Fixed cost
$10
Operating profit
$10.
Option of whether Pine street inc. should sell finished book cases
Sales per unit
$75
Less :
Variable cost per unit
$8
Contribution per unit
$67
Less :
Fixed cost
$10
Operating profit
$57
Therefore, it is recommended that Pine street inc. should sell finished book cases because that would yield the highest operating profit.