The following transactions occurred during July: Received $970 cash for services provided to a customer during July. Received $3,400 cash investment from Bob Johnson, the owner of the business. Received $820 from a customer in partial payment of his account receivable which arose from sales in June. Provided services to a customer on credit, $445. Borrowed $6,700 from the bank by signing a promissory note. Received $1,320 cash from a customer for services to be performed next year. What was the amount of revenue for July