KELLY: What?

　　DEREK: I went down to change some money, right?

　　KELLY: Yes. We need some. How much did you change?

　　DEREK: I wanted to change around 5000 dollars. And you know the exchange rate.

　　KELLY: Yes, it's about 35 pesos for every Taiwan dollar, right?

　　DEREK: Not today.

　　KELLY: What do you mean?

　　DEREK: I went into the bank with my money, and I looked at the exchange board.At first I couldn't believe it. I thought I was reading the board wrong or something.

　　KELLY: Why?

　　DEREK: Because the board said 60 pesos for every Taiwan dollar.

　　KELLY: Sixty? That's too much. How can that be?

　　DEREK: I thought it was wrong too. It didn't make sense.

　　KELLY: Just two days ago it was 35. How can it be 60?

　　DEREK: So, I went up to the teller and started to exchange the money. And it's true.They really gave me sixty pesos for the dollar.

　　KELLY: That's amazing! Really? How could it change so much in two days?

　　DEREK: I tried to ask the bank teller why it changed,but she didn't speak English well enough.So I decided to go to the magazine shop. The one around the corner.And I bought an American newspaper.

　　KELLY: What happened?

　　DEREK: It seems that yesterday the Mexican government declaredit wouldn't pay back the loans it got from the World Bank.The government declared a default on the loans.

　　KELLY: That's serious.

　　DEREK: I know. The economy here is having serious problems.But because the government declared a default, the currency value went way down.

　　KELLY: So now Mexican pesos are worth about half as much.

　　DEREK: Yes, it's an amazing drop.

　　KELLY: Wow. I feel sorry for the Mexicans. But it's good for us.

　　DEREK: Yes, it's very good. We suddenly have twice as much money to spend here.Our hotel is now half as expensive as when we got here! Isn't that strange?

　　KELLY: Yes, and you know what?

　　DEREK: What?

　　KELLY: I don't really li