The current value of an S&R futures is $1382.68. You buy 8 futures on the S&R and the contract size is $491. The margin is settled on a weekly basis and the margin is 10% of the notional value. Margin calls are made as soon as the margin is below 61% of the initial margin level. We assume that r=3% and observe the following futures prices: (a) Calculate the additional margin payment at time 1. (b) Calculate the additional margin payment at time 2 . (c) Calculate the profit of the forward after two weeks. (d) Calculate the profit of the future after two weeks. The current value of an S&R futures is $1382.68. You buy 8 futures on the S&R and the contract size is $491. The margin is settled on a weekly basis and the margin is 10% of the notional value. Margin calls are made as soon as the margin is below 61% of the initial margin level. We assume that r=3% and observe the following futures prices: (a) Calculate the additional margin payment at time 1. (b) Calculate the additional margin payment at time 2 . (c) Calculate the profit of the forward after two weeks. (d) Calculate the profit of the future after two weeks