[related to solved problem #3] suppose that andy sells basketballs in the perfectly competitive basketball market. his output per day and his costs are as follows: output per day total cost variable cost average total cost average variable cost marginal cost 0 $10.00 $0 -- -- -- 1 15.00 5 $15.00 $5.00 $5.00 2 17.50 7.50 8.75 3.75 2.50 3 22.50 12.50 7.50 4.17 5.00 4 30.00 20.00 7.50 5.00 7.50 5 40.00 30.00 8.00 6.00 10.00 6 52.50 42.50 8.75 7.08 12.50 7 67.50 57.50 9.64 8.21 15.00 8 85.00 75.00 10.63 9.38 17.50 9 105.00 95.00 11.67 10.56 20.00 suppose the equilibrium price of basketballs is $2.50. in the short run, how many basketballs will andy produce? 22 (enter a whole number).