can you please show the workings.

Q7. Hedging decision Indiana Co. expects to receive 5 million Australian dollars in one year from exports, and it wants to consider hedging its exchange rate risk. The spot rate of the Australian dollar as of today is US$0.69. Interest rate parity exists. Indiana Co. uses the forward rate as a predictor of the future spot rate. The annual interest rate in the United States is 2.25 per cent versus an annual interest rate of 1 per cent in Australia. Put options on Australian dollars are available with an exercise price of US$0.7000, an expiration date of one year from today, and a premium of US$0.05 per unit. Estimate the US dollar cash flows that Indiana Co. will receive as a result of using each of the following strategies: a unhedged strategy money market hedge c put options hedge. Which hedge is optimal? b