Use the information in Table $5\mathrm{.}2.$ Using the contribution margin method, what is the optimal product mix?

A$)37$ A$,60$ B$,70$ C$,80$ D

B$)50$ A$,51$ B$,70$ C$,80$ D

C$)50$ A$,60$ B$,62$ C$,80$ D

D$)50$ A$,60$ B$,70$ C$,60$ D

$17)$ Use the information in Table $5\mathrm{.}2.$ Using the bottleneck method, which product should be scheduled first?

A$)$ Product A

B$)$ Product B

C$)$ Product C

D$)$ Product D