Those who may file antitrust lawsuits against violators of the Sherman Act include the following, except:

Refer to Table 15-1. What is the marginal revenue from the sale of the 12th unit?

A) $75 B) $50 C) $20 D) -$5

In a market system, ________ provide signals about whether resources are relatively scarce or abundant

A) prices B) economists C) government officials D) scientists and engineers