A house painting business had revenues of $16,000 and expenses of $9,000. There were no depreciation expenses.

Question:

A house painting business had revenues of $16,000 and expenses of $9,000. There were no depreciation expenses. However, the business reported the following changes in working capital.
Beginning End
Accounts receivable $ 1,200 $ 4,500
Accounts payable 700 300
Calculate net cash flow for the business for this period.