Required: a. Refer to Figure 171 and locate the E-Mini contract on the Standard \& Poor's 500 index if the margin requirement is 10% of the futures price times the multipler of $50, how much must you deposit with your broker to buy one December contract? (Do not round intermediate calculations.) b. If the December futures price increases to 3,100 , what percentage return will you earn on your investment? (Do not round intermediate calculations. Round your answer to 2 decimal places.) c. If the December futures price falls by 1%, what is the percentage gain or loss on your investment? (input the amount as positive value. Do not round intermediate calculations.) Asservment loot il rame