Which of the Following Transactions Is NOT an Accounting Transaction

Which of the following transactions is NOT an accounting transaction for Sunshine Eats, a catering company?

A) Sunshine delivers box lunches each Monday to teachers at a local school. The delivery is set up to automatically charge a credit card for payment.
B) Sunshine signs a contract to cater a wedding three months from now at a local event center. The catering job will be paid by the event center as part of a wedding package.
C) Sunshine receives a down payment on a catered dinner for a new business grand opening coming up in two weeks.
D) Sunshine sends a monthly bill to a local coffee shop to which Sunshine delivers fresh muffins each Tuesday and Thursday.