$3\mathrm{.}18]$ Foreign Exchange. You just came back from Canada, where the Canadian dollar was worth $$\mathrm{.}70.$

You still have C$$200$ from your trip and could exchange them for dollars at the airport, but the airport

foreign exchange desk will only buy them for $$\mathrm{.}60.$ Next week, you will be going to Mexico and will need

pesos. The airport foreign exchange desk will sell you pesos for $$\mathrm{.}10$ per peso. You met a tourist at the

airport who is from Mexico and is on his way to Canada. He is willing to buy your C$$200$ for $1,300$ pesos.

Should you accept the offer or cash the Canadian dollars in at the airport? Explain.