please explain how to solve this because i domt understand it

2. Money market auctions (12 points) The results from a T-Bill auction are shown below, where quantities are in millions of dollars, and NC and C refer to non-competitive and competitive bids respectively Bidder NC Quantity C Quantity Bid Alpha 3% 4% 4% 5% 3 7 Bravo 2 8 Charlie 2 8 Delta 3 7 Echo 6% 5 5 The bills mature after one year, and the government wishes to issue bills with a total of $30 million in face value. The maximum permitted non-competitive bid is $5 million A. (6 points) Find the market clearing rate and the allocation that each bidder will receive