Suppose that the labor market for life guards is initially in equilibrium. then swimming pool owners adopt a new labor-saving technology that uses computers to monitor the locations of swimmers in the pool. what happens to the equilibrium wage and quantity of life guards?

a. both the equilibrium wage and quantity increase.
b. both the equilibrium wage and quantity decrease.
c. the equilibrium wage increases, and the equilibrium quantity decreases.
d. the equilibrium wage decreases, and the equilibrium quantity increases.

Jagjit company designs and builds retaining walls for individual customers. on august 1, there were two jobs in process: job 93 with a beginning balance of $8,650, and job 94 with a beginning balance of $7,270. jagjit applies overhead at the rate of $9 per direct labor hour. direct labor wages average $16 per hour. data on august costs for all jobs are as follows:

Abank has $132,000 in excess reserves and the required reserve ratio is 11 percent. this means the bank could have in checkable deposit liabilities and in (total) reserves.

As a result of a labeling mistake at the chemical factory, a farmer accidentally sprays weedkiller rather than fertilizer on half her land. as a result, she loses half of her productive farmland. if the property of diminishing returns applies to all factors of production, she should expect to seea. a decrease in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. b. an increase in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. c. an increase in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor. d. a decrease in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor.