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