13. The following transactions occurred during July, 2020 for Houston Hair Salon: Received $900 cash for services provided to a customer during July. Received $2,200 cash investment from Barbara Hanson, the owner of the business. Received $750 from a customer in partial payment of his account receivable, which arose from sales in June. Provided services to a customer on credit, $375. Signed a promissory note for a $6,000 bank loan. Received $1,250 cash from a customer for services to be rendered in September this year. What was the amount of revenue for July? A. $900; B. $1,275; C. $2,525 D. $3,275 3 points