The following transactions occurred during July: 1. Received $1,040 cash for services provided to a customer during July. 2. Collected $4,800 cash for services previously completed in June. 3. Received $890 from a customer in partial payment of his account receivable which arose from sales in June. 4. Provided services to a customer on credit, $515. 5. Borrowed $7,400 from the bank by signing a promissory note. 6. Received $1,390 cash from a customer for services to be performed next year. What was the amount of revenue for July