Which of the following is defined as a rate of downward movement in the price level for an aggregate of goods and services?

Refer to Figure 11-9 above to solve the following problems

a. Calculate the fixed cost of production. b. Calculate the average total cost of production when the firm produces 20 units of output. c. Calculate the average variable cost of production when the firm produces 20 units of output. d. Calculate the average fixed cost of production when the firm produces 20 units of output. e. Calculate the average fixed cost of production when the firm produces 15 units of output. f. If the firm increases output from 15 to 20 units, what is the marginal cost of output?

When housing prices fell as they did beginning in 2006 following the housing market bubble, most banks and other lenders ________ the requirement for borrowers, making it ________ for potential home buyers to obtain mortgages

A) tightened; harder B) eased; easier C) eased; harder D) tightened; easier