#7: We assume an index price of $975, a 2% effective 6-month interest rate, and premiums of $84.62 for the 1000- strike 6-month call and $51.17 for the 1000-strike 6-month put. Suppose that you short the S&R index and sell a 1000-strike put. (a) Compute the total payoff if the index price is $1175 at expiration. (b) Compute the total profit if the index price is $1150 at expiration