Assume that the competitive firm's marginal cost of producing output q is given by MC(q)=3+2q. Suppose that the market price of the firm's product is $9.
a. Find out level of output will the firm produce?
b. Find out the firm's producer surplus?
c. Assume that the average variable cost of the firm is given by AVC(q)=3+q. Suppose that the firm's fixed costs are known to be $3. Will the firm be earning a positive, negative, or zero profit in the short run?