The following transactions occurred during July: Received $930 cash for services provided to a customer during July. Issued common stock for $2,600 cash. Received $780 from a customer in partial payment of his account receivable which arose from sales in June. Provided services to a customer on credit, $405. Borrowed $6,300 from the bank by signing a promissory note. Received $1,280 cash from a customer for services to be performed next year. What was the amount of revenue for July