Table 214 For the Output Levels in Table 21

Multiple Choice

Table 21.4 $\begin{array}{|c|r|}\hline \text { Output (Units per Day) } & \text { Total Cost (Dollars per Day) } \\\hline 0 & 16 \\\hline 1 & 30 \\\hline 2 & 42 \\\hline 3 & 58 \\\hline 4 & 78 \\\hline\end{array}$
For the output levels in Table 21.4,the minimum of the average total cost curve occurs at a production rate of

A) 2 units per day.
B) 3 units per day.
C) 4 units per day.
D) Zero units per day.