Rustic Replicas Is Owned and Operated by a Craftsman Who

Multiple Choice

Rustic Replicas is owned and operated by a craftsman who makes replicas of historic firearms for museums,sportsmen,and collectors.He is currently producing 43 flintlock muskets per month.The cost data for the muskets are as follows: $$\begin{array} { | l | r | } \hline \text { Price per unit } & \$ 750 \\\hline \text { Variable costs per unit } & 480 \\\hline \text { Fixed costs per month } & 8,100 \\\hline\end{array}$$ If Rustic expects to sell 40 units per month,what is his margin of safety expressed in units per month?

A) 10 units
B) 30 units
C) 16 units
D) 24 units