Sanchez Inc. reported the following on the company's cash flow statement:

Net cash flow from operating activities	$500,000
Net cash flow used for investing activities	(200,000)
Net cash flow used for financing activities	150,000

Thirty percent of the net cash flow used for investing activities was to maintain existing productive capacity. What is the company's free cash flow?

a. $300,000

b. $440,000

c. $650,000

d. $500,000