I was at the Car Pool getting Mrs. Astro 's car washed . I stood in front of the vending machine and decided I wanted a root beer . I reached for my wallet and started sifting through my receipts . I noticed I had two bills .

Question: Why did the person need to go through his wallet ?
Answer: The person was asked to provide some sort of i d to prove he owned the car .The person needed to find money to pay for the root beer .None of the above choices .The person needed to pay the bill for the car wash .