2) Suppose a monopolist faces the market demand curve: P = 100-2Qd- A) What is total revenue at a price of $60? What is total revenue at a price of $58? B) What is the marginal revenue of the 21st unit of output? Show the gain in revenue from the increase in output (the quantity effect) and show the loss in revenue (the price effect) from lowering the price on a graph. C) Why is marginal revenue less than price for a monopolist? D) If the marginal cost of producing output is zero what is the profit maxi- mizing quantity?