Answer:
Pine Street should sell finished bookcases.
Step-by-step explanation:
Differential analysis
Sell unfinished Process further Net income
Increase (decrease)
Sale price per unit 58.09 73.08 14.99
Cost per unit
Variable 37.97 44.61 -6.64
Fixed 10.12 10.12 0
Total 48.09 54.73 8.35
Net income per unit 10 18.35 8.35
So, the book cases should be sold after processed further.