One summer day, Mark and Tony decide to try bungee-jumping. After a full day of bungee-fun, Mark says, "You know, Tony, we could make a lot of money running our own bungee-jumping service in Mexico." "You're right," Tony says. So Mark and Tony pool their money and buy everything they'll need - a tower, an elastic cord, insurance, etc. They drive from San Diego to Mexico and set up their equipment on the edge of a cliff. While they construct the tower, a crowd assembles at the bottom of the cliff…