This problem has been solved! see the answer earl sells lemonade in a competitive market on a busy street corner in tampa. his production function is f(k, l)=k1/4l1/4 (mpl=1/4l-3/4k1/4 and mpk=1/4l1/4k-3/4), where output is measured in gallons, k is the number of pounds of lemons he uses, and l is the number of hours spent squeezing them. lemons cost $1 per pound and the wage rate $1 per hour. b. find earl's marginal cost function. find earl's supply function. c. if the price of lemonade is $3 per gallon. how many gallons of lemonade will earl produce? d) if the price of lemonade is $12 per gallon. how many gallons of lemonade will earl produce?