Table 9-1 Table 9-1 Shows the Short-Run Cost Data of a Perfectly

Table 9-1
$\begin{array}{|c|c|c|}\hline \text { Quantity } & \begin{array}{c}\text { Total Cost } \\\text { (dollars) }\end{array} & \begin{array}{c}\text { Variable Cost } \\\text { (dollars) }\end{array} \\\hline 0 & \$ 1,000 & \$ 0 \\\hline 100 & 1,360 & 360 \\\hline 200 & 1,560 & 560 \\\hline 300 & 1,960 & 960 \\\hline 400 & 2,760 & 1,760 \\\hline 500 & 4,000 & 3,000 \\\hline 600 & 5,800 & 4,800 \\\hline\end{array}$ Table 9-1 shows the short-run cost data of a perfectly competitive firm that produces plastic camera cases. Assume that output can only be increased in batches of 100 units.
-Refer to Table 9-1.Suppose the fixed cost of production rises by $500 and the price per unit is still $8.What happens to the firm's profit-maximizing output level?

A) It must fall.
B) It must rise to offset the increased cost.
C) It will remain the same.
D) The firm will shut down.