Use the solution to the cost minimization problem to solve the profit maximization problem of this firm, assuming that the firm operates in a perfectly competitive market and the market price of the output sold is labeledp. Then do the following:

IfA = 10, r = 36, w = 25, F = 40and the market price isp = 12, determine this firm's supply of output q*.

A. 30 B. 10. C. 20 D. 0