explain it briefly

Assume that Canadian wheat sells for $200 per bushel, Japan wheat sells for 3200 yen per bushel, and the nominal exchange rate is 8 yen per dollar. a. Explain how you could make a profit from this situation. What would be your profit per bushel of wheat? If other people exploit the same opportunity, what would happen to the price of wheat in Japan and the price of wheat in Canada? b. Suppose that wheat is the only commodity in the world. What would happen to the real exchange rate between Canada and Japan