Please show work on how to solve, I know the answer is $1,480

A firm paid $300 in interest, $620 in dividends, and $570 in taxes. The firm had a net income of $2,220, depreciation of $1,680, an increase in net working capital of $320, an increase in net fixed assets of $950, and a decrease in long-term debt of $560. There were no changes in the equity accounts other than the change in retained earnings. What is the cash flow of the firm (CF(A))?