In the case of a perfectly competitive firm, the

A.The firm's total revenue is given by a linear line, with a positive slope, since as the price increases, the demand falls.

B.Firm's marginal revenue exceeds the price of the product.

C.The demand line is horizontal reflecting that there are large number of firms in the sector.

D.The firm's total revenue is given by a linear line, since the price does not vary, as the firm alters its output.