2. There is a seller with a single unit of a good. Assume all bidders have HD private information ()1- ~ FE, 6] with density f. Define the marginal revenue as usual. (a) Show EUl/IRWH : Q. (b) What is the revenue with two bidders with no reservation prices as a function of MR? (0) Suppose the seller's value is 60. What are the revenue from 1 bidder and the optimal reservation price, as a function of MR? (d) Assume Q 2 60. Is revenue higher in (b) or (c)