Table 12-1 Table 12-1 Shows the Short-Run Cost Data of a Perfectly

Multiple Choice

Table 12-1

Table 12-1 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 12-1.If the market price of each camera case is $8, what is the profit-maximizing quantity according to the MR = MC rule?

A) 300 units
B) 400 units
C) 500 units
D) 600 units