1. suppose we observe that as the price of lettuce increases from $1 to $2 per head, consumers buy only no
the number of heads of lettuce. this situation is best described as
a) an increase in demand.
b) a decrease in demand.
c) a decrease in the quantity demanded.
d) an increase in supply.
e) an increase in the quantity supplied.

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:

If a company’s employees are angry about their work, a visiting auditor may also become agitated, illustrating the power of

5. profit maximization and shutting down in the short run suppose that the market for polos is a competitive market. the following graph shows the daily cost curves of a firm operating in this market. 0 2 4 6 8 10 12 14 16 18 20 50 45 40 35 30 25 20 15 10 5 0 price (dollars per polo) quantity (thousands of polos) mc atc avc for each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the previous graph to identify its total variable cost. assume that if the firm is indifferent between producing and shutting down, it will produce. (hint: you can select the purple points [diamond symbols] on the previous graph to see precise information on average variable cost.) price quantity total revenue fixed cost variable cost profit (dollars per polo) (polos) (dollars) (dollars) (dollars) (dollars) 12.50 135,000 27.50 135,000 45.00 135,000 if the firm shuts down, it must incur its fixed costs (fc) in the short run. in this case, the firm's fixed cost is $135,000 per day. in other words, if it shuts down, the firm would suffer losses of $135,000 per day until its fixed costs end (such as the expiration of a building lease). this firm's shutdown price—that is, the price below which it is optimal for the firm to shut down—is per polo.