Hall Corporation, which makes and sells computer parts, began operations on September 1 and had the following transactions in the month of September.

1. Issued $10,000 in common stock to investors.
2. Purchased $2,000 in inventory on account.
3. Sold $10,000 in computer parts to a customer for cash.
4. Paid a cleaning company $400 for weekly cleaning services for the month of September.
5. Paid suppliers $2,000 for amounts outstanding on their account.
6. Paid rent of $1,200 for their office space.
7. Purchased $3,000 in supplies on account.

During the month, what was the total amount of CREDIT entries made to Accounts Payable?