assume that a firm has the following production function Q=100L^1/2 K^1/4

where L is the number of hours of labor and K is the number of machines. The firm has 81 machines that it purchased for $81000 and it will be unable to obtain any more machines. The firms output sells at a price of $20 per unit and labor cost $25 per hour.

What is the firms VPML function

How many hours of labor should the firm employ

What will be the firms total profit