The following transactions occurred during July:

a.	Received $1,550 cash for services provided to a customer during July.
b.	Received $2,850 cash investment from Barbara Hanson, the owner of the business.
c.	Received $1,075 from a customer in partial payment of his account receivable, which arose from sales in June.
d.	Provided services to a customer on credit, $700.
e.	Signed a promissory note for a $8,600 bank loan.
f.	Received $1,575 cash from a customer for services to be rendered next year.

What was the amount of revenue for July?