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.
Input: Problem: at the end of year x, automobile installment credit accounted for 35 % of all outstanding consumer installment credit. at that time automobile finance companies extended $ 40 billion of credit, or 1 / 3 of the automobile installment credit. how many billion dollars of consumer installment credit was outstanding at that time ?
Options: a. 120, b. 300, c. 401.36, d. 350.15, e. 342.86
Output:
e