i. Consider the following set of orders. Time Trader Order Side Size Price 10:00 TOM Sell 5 22 10:05 SUE Sell 3 21 10:08 BOB Buy 4 market 10:09 EVA Buy 6 20 10:10 MAX Sell 2 20 Assume that the above orders are sent to a single-price call auction. Make appropriate assumptions; draw the demand and supply functions; compute the equilibrium price; and calculate the traders' total surplus. Explain the concept of trading surplus and interpret your results. (17 marks) Carefully explain the concept of informed trading. Provide an example of a type of informed trader. (8 marks)