Calculate a firms free cash flow (FCF) from the Statement of Cash Flows if Net income is $60,000, depreciation expense is $10,000, working capital investment (a use of cash) is $20,000, Cash Flow From Operations is $50,000 and net Capital Expenditures (a use of cash) are $40,000.

a. 10,000

b. 40,000

c. 0

d. 100,000