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