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Suppose the Japanese yen exchange rate is 85 = CAD$1, and the U.K. pound exchange rate is 1 = CAD$1.53. a. What is the cross rate in terms of yen per pound? (Do not round intermediate calculations. Round the final answer to 2 decimal places. Omit " / " sign in your response.) Cross-rate / b. Suppose the cross rate is 131.4 = 1. What is the arbitrage profit per dollar used? (Do not round intermediate calculations. Round the answer to 4 decimal places. Omit "$" sign in your response.) Arbitrage profit $