Detailed Instructions: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Problem:Problem: a telephone company needs to create a set of 3 - digit area codes. the company is entitled to use only digits 2, 4 and 3, which can be repeated. if the product of the digits in the area code must be even, how many different codes can be created ?
Options: a. 20, b. 26, c. 24, d. 22, e. 30
Solution:
b