The following information pertains to Sooner Company:

May 1 Customer ordered an installation service to be done by Sooner Company on May 15.

May 2 Customer paid cash for the installation job to be done on May 15.

May 8 The Sooner Company purchased installation supplies on account for the job.

May 15 The installation job was started and completed.

May 20 Amount owed for supplies purchased on May 8 is paid.

Assuming that Sooner Company uses cash-basis accounting, when would the company record the expense related to the supplies?

A) May 2.

B) May 8.

C) May 15.

D) May 20.

Answer: D