Problem 7. [Call auction] Graph total market demand and supply curves in {price, quantity } space for a call auction market where the following orders are submitted to a central auctioneer: Limit orders to buy: 100 shares at $3.00, 200 shares at $4.00, 200 shares at $3.50, and 500 shares at $2.50. Limit orders to sell: 500 shares at $5.00, 600 shares at $3.00, and 500 shares at $4.00. Market orders to buy: a total of 500 shares. Market orders to sell: a total of 200 shares. What is the market clearing price? What quantity of stock is traded? Are all orders that are executable at the market clearing price fully filled