In order to find out how much cash is available to pay down short term debt, such as a revolving credit line, you must take:

1 Cash inflows from operations + Cash outflows for investments + Financing cash flows + beginning cash balance

2 Beginning cash balance + pre-debt cash flows Min. cash balance Required principal payments of LT and other debt

3 Beginning cash balance + cash inflows from operations - Min. cash balance

4 Beginning cash balance + cash inflows from operations + Cash outflows for investments - Min. cash balance

choose one of the 4 above4