Fully explain why the answer is A and not C: If a U.S. firm will need C$200,000 in 90 days to pay for imports from Canada and it wishes to avoid the risk\ from exchange rate fluctuations, it could:\ a. purchase a 90-day forward contract on Canadian dollars.\ b. sell a 90-day forward contract on Canadian dollars.\ c. purchase Canadian dollars 90 days from now at the spot rate.\ d. sell Canadian dollars 90 days from now at the spot rate.