Metlock Inc. makes unfinished bookcases that it sells for $60. Production costs are $37 variable and $9 fixed. Because it has unused capacity, Metlock is considering finishing the bookcases and selling them for $73 Variable finishing costs are expected to be $7 per unit with no increase in fixed costs. Prepare an analysis on a per-unit basis that shows whether Metlock should sell unfinished or finished bookcases. (II an amount reduces the net income then enter with a negative sisn preceding the number, es. -15,000 or parenthesis, e.s. (15,000). The bookcases processed further