Transaction Exposure (Please explain step by step to clear my concepts, Thankyou)

Q1) Assume the following information: U.S. deposit rate for 1 year = 11% U.S. borrowing rate for 1 year = 12% New Zealand deposit rate for 1 year = 8% New Zealand borrowing rate for 1 year = 10% New Zealand dollar forward rate for 1 year = $.40 New Zealand dollar spot rate = $.39 Also assume that a U.S. exporter denominates its New Zealand exports in NZ$ and expects to receive NZ$600,000 in 1 year. You are a consultant for this firm. Using the information above, what will be the approximate value of these exports in 1 year in U.S. dollars given that the firm executes a money market hedge? b) A call option exists on British pounds with an exercise price of $1.60, a 90-day expiration date, and a premium of $.03 per unit. A put option exists on British pounds with an exercise price of $1.60, a 90-day expiration date, and a premium of $.02 per unit. You plan to purchase options to cover your future receivables of 700,000 pounds in 90 days. You will exercise the option in 90 days (if at all). You expect the spot rate of the pound to be $1.57 in 90 days. Determine the amount of dollars to be received, after deducting payment for the option premium.