You are considering an investment in fields and Struthers, Inc. and want to evaluate the firm's free cash flow. From the income statement, you see that Fields and Struthers earned an EPIT Of $72 million, had a tax rate of 30 percent, and its depreciation expense was $8 million. Fields and Struthers' gross fixed assets increased by $38 million from 2017 to 2018. The firm current assets increased by $34 million and spontaneous current liabilities increased by $19 million. ( Enter your answers in millions of dollars and rounded to 1 decimal place) .

a. calculate Operating Cash flow for 2018.

b. Calculate investment in operating capital for 2018.

c. Calculate the free cash flow for 2018.