The following transactions occurred during July: 1. Received $900 cash for services provided to a customer during July. 2. Received $2,200 cash investment from Barbara Hanson, the owner of the business. 3. Received $750 from a customer in partial payment of his account receivable which arose from sales in June. 4. Provided services to a customer on credit, $375. 5. Borrowed $6,000 from the bank by signing a promissory note. 6. Received $1,250 cash from a customer for services to be rendered next year. What was the amount of revenue for July?