6.JJ's roofing company entered into a contract with Mr. Peterson on March 2, 2015, to fix a hole in the family's roof. JJ's roofing fixed the hole on March 20 and sent a bill to the client on March 25. JJ's roofing received the payment on April 1. When should JJ's roofing have recorded the revenue?

A.When the work was completed on March 20

B.When the contract was signed on March 2

C.When the customer was billed on March 25

D.When the customer paid the bill April 1