Refer to Figure 4-5. Suppose that instead of a price ceiling, the government imposed a price floor of R1. What is the quantity of apartments demanded at the new price?

Trinh quits his $80,000-a-year job to become a full-time volunteer at a museum. What is the opportunity cost of his decision?

A) the value he attributes to the joy of working at a museum B) depends on the "going rate" of museum employees C) at least $80,000 D) 0 since he will no longer be earning a salary

If intended investment is $500 and unwanted inventory is $50, then we know that

a. saving = $50 b. actual investment = $50 c. actual investment = $450 d. actual investment = $500 e. actual investment = $550