The Concept of Free Cash Flow Is to Measure the Amount

The concept of free cash flow is to measure the amount of cash that a company generates

A) from its operations that is in excess of cash required to maintain its productive capacity.
B) from its investing activities that is in excess of cash required to maintain its productive capacity.
C) from its financing activities that is in excess of cash required to maintain its productive capacity.
D) from its operations that is in below the cash required to maintain its productive capacity.