Anne is a self-employed contractor. She uses a calendar-year, cash-basis accounting system. Which of the following is included in calculating her gross receipts on Schedule C, line 1? A)$2,200 in credit card processing fees related to her received Form 1099-K.

B)$500 prize for Regional Contractor of the Year.

C)$1,100 for selling scrap materials leftover from projects.

D)$6,000 check received on January 5, 2020 for a project completed December 29, 2019.