Question 17 (4 points) The figure below shows the costs of Quick Copy, one of many copy shops near campus. If the market price of copying is 10c a page, calculate Quick Copy's profit- maximizing output and economic profit. 12 10 Cost (cents per page) a 2 20 40 60 80 100 Quantity (pages per hour) O Profit-maximizing quantity is 60 pages an hour and economic profit is $3.20 an hour. Profit-maximizing quantity is 40 pages an hour and economic profit is $2.40 an hour. O Profit-maximizing quantity is 80 pages an hour and economic profit is $2.40 an hour. O Profit-maximizing quantity is 80 pages an hour and economic profit is $7 an hour.Question 18 (4 points) The figure below shows cost and demand curves facing a profit-maximizing, perfectly competitive firm. Price and cost PA Pa P1 Quantity Refer to the figure above, identify the short-run shutdown point for the firm. Od Oc Oa Ob Question 19 (4 points) Zach took $500,000 out of the bank and used it to start his new cookie business. The bank account pays 4 percent interest per year. During the first year of his business, Zach sold 15,000 boxes of cookies for $3 per box. Also, during the first year, the cookie business incurred costs that required outlays of money amounting to $14,000. What was Zach's economic profit for the year? $11,000 -$455,000 $31,000 O -$6000