how do i solve this please?

Flower Mound Corp. reported an EBIT of $290 million this year with the depreciation expense of $100 million. Firm's net working capitals were $650 million and $800 million for the last year and this year, respectively. The firm made capital investment of $110 million in its long-term assets last year. If the firm's tax rate is 40%, what is the cash flow to investors? 5164 million \$14 million $314 milition $290 million $174 milion