Problem 21-4 Using Spot and Forward Exchange Rates [LO1] Suppose the spot exchange rate for the Canadian dollar is Can $1.05 and the six-month forward rate is Can $1.07. a. Which is worth more, a U.S. dollar or a Canadian dollar? b. Assuming absolute PPP holds, what is the cost in the United States of an Elkhead beer if the price in Canada is Can $3.30 ? (Round your answer to 3 decimal places, e.g., 32.161.) c. Is the U.S. dollar selling at a premium or a discount relative to the Canadian dollar? d. Which currency is expected to appreciate in value? e. Which country do you think has higher interest rates-the United States or Canada