i need help with a word problem

Question

A sales representative makes 4 calls to potential customers. Each call has 3 possible results. She reaches the customer in person, the phone is answered by someone other than the customer and she leaves a message, and the phone is not answered. A phone record is a list of the results of each call. How many possible phone records are there?

Answer 1

Each call has three possible outcomes. Four calls have 4(3), or 12 outcomes.