1.) Which of the following is not a transaction to be recorded in the accounting records of an entity? a. Investment of cash by the owners. b. Sale of product to customers. c. Receipt of a plaque recognizing the firm's encouragement of employee participation in the United Way fund drive. d. Receipt of services from a "quick-print" shop in exchange for the promise to provide advertising design services of equivalent value.

The correct answer is C. But can you explain why and explain why the rest are accouting records and explain how they are recorded and provide detlaies