Everest Company has been exporting its line of mountain-climbing equipment to buyers worldwide for 30 years. Top markets include France, Norway, Switzerland, India, and Japan. Customers in these countries always pay in their local currency. Everest’s vice president for international sales often states that the firm’s biggest day-to-day challenge is dealing with foreign currencies. Why does he say this? What are the consequences of fluctuating exchange rates for Everest’s sales revenue and other performance indicators?