Q3 MultiUnit Auctions: Procurement Setting Auctioneer wants to buy 5 units. Calculate the outcome of auctions using the same bids (supplies) but different payment ries. Bidder Marginal Costs (lat, 2nd, 5th unit) Bidder 1: 10, 141 20, 25, 30 Bidder 2: 11, 15', 20, 22, 27 Bidder 3: 9, 11, 15, 19, 23 (a) Write down and dran.T the supply curve for Bidder 1. (b) Calculate the Winning allocation. (c) Calculate payments to suppliers in the payasbid auction. (d) Calculate payments to suppliers in a uniform price auction (highestaccepted]. (e) Calculate payments to suppliers in a uniform price auction (lowestrejected]. (f ) Calculate payments to suppliers in a Vicki'ey auction