Question: Fenton and Farrah friendly, husband-and wife car dealers, are soon going to open a new dealership. They have three offers: from a foreign company, from a U.S.-producer of full-sized cars, and from a truck company. The success of each type of dealership will depend on how much gasoline is going to be available during the next few years. The profit from each type of dealership given the available of gas, is shown in the following table

Gasoline availability

a. Determine which type of dealership the couple should purchase

b. Construct a decision tree for the decision situation described and indicate the best decision.