Problem 1 21) Assume today's settlement price on a CME pound futures contract is 50.6080/E. You have a short position in four contracts. Your margin account currently has a balance of 515,500. The next three days settlement prices are 50.6066, 50.6073, and $0.5989. Calculate the margin account balance at the end of each day? (Assume a pound futures contract size is 100.000 and you have no maintenance margin)