Please use the computer to enter your answer and answer the detailed information of the question, so that I can see it clearly.

(a) If the speculator believes that the Australian dollar will depreciate in nine months, advise him on what actions he should take in terms of options and futures.

(b) Macomb Corporation is an American company, and some of its exports are priced in Japanese yen. If the yen is expected to weaken, it is recommended that the company use futures to hedge exchange rate risks.