Refer to the information provided in Table 23.7 below to answer the question(s) that follow. Table 23.7Refer to Table 23.7. At an aggregate output level of $600 billion, the unplanned inventory change is

Figure 10-2

Figure 10-2 shows demand and short-run cost curves for a perfectly competitive firm. In the short run, this firm would

a.
earn positive economic profits.

b.
earn economic losses.

c.
go out of business.

d.
Cannot be determined with the information given.

All of the following variables are used to calculate total profit except

A. output. B. price. C. AVC. D. ATC.