Assume the following information: Spot rate of Canadian dollar : $.80 90-day forward rate of Canadian dollar : $.79 90-day Canadian interest rate : 4% 90-day U.S. interest rate : 2.5% a) What would be the return to a U.S. investor who used covered interest arbitrage from investing in Canada? (assume the investor invests $1,000,000). Does the return exceed the return from investing in the U.S. over the 90-day period? Is it worthwhile for the U.S. investor to invest in Canada? b) Explain completely the market forces on the spot market and the forward market to eliminate the covered interest arbitrage