Suppose the Japanese yen exchange rate is yen 76 = $1, and the British pound exchange rate is pound 1 = $1.61. a. What is the cross-rate in terms of yen per pound? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Cross-rate yen b. Suppose the cross-rate is yen 127 = pound 1. What is the arbitrage profit per dollar used? (Do not round intermediate calculations and round your answer to 4 decimal places, e.g., 32.1616.) Arbitrage $