Table 13-14 -Refer to Table 13-14

Essay

Table 13-14
$$\begin{array} { | l | l | l | l | l | } \hline \text { Labor } & \text { Output } & \begin{array} { l } \text { Marginal } \\\text { Product }\end{array} & \begin{array} { l } \text { Variable } \\\text { Cost }\end{array} & \begin{array} { l } \text { Fixed } \\\text { Cost }\end{array} \\\hline 0 & 0 & - & \$ 0 & \$ 10 \\\hline 1 & 200 & 200 & \$ 20 & \$ 10 \\\hline 2 & 350 & & \$ 40 & \$ 10 \\\hline 3 & 450 & & \$ 60 & \$ 10 \\\hline 4 & & 50 & \$ 80 & \$ 10 \\\hline 5 & & 25 & \$ 100 & \$ 10 \\\hline 6 & 530 & & \$ 120 & \$ 10 \\\hline\end{array}$$
-Refer to Table 13-14. What is the shape of the average-total-cost curve?