assume that a korean company conducting business primarily i

assume that a korean company conducting business primarily in korea and in tis nat
求解答,求提示,从哪里着手
assume that a korean company conducting business primarily in korea and in tis national currency agrees to purchase goods from a US seller with payment to be made in US dollars.If the korean won depreciates 40 percent,the korean company will have to pay 66 percent more than it expected for the US dollars to make payment .why?
即为什么比预期多支付66%