Use the following graph showing short-run cost curves for a perfectly competitive firm to answer the next question.At what minimum price would the firm be willing to produce output in the short run?

Suppose consumers view the George Foreman Grill and the Weber charcoal grill as close substitutes. Other things constant, a fall in the price of the George Foreman Grill would tend to

A) increase the demand for the Weber grill. B) increase the demand for the George Foreman Grill. C) decrease the demand for the Weber grill. D) decrease the demand for the George Foreman Grill.

Since 1960, the natural rate of unemployment in the U.S. has been between

a. 0% and 1%. b. 5% and 6%. c. 10% and 12%. d. 12% and 24%.