Write out your answers completely. For example, 25 million should be entered as 25,000,000. Round your answers to the nearest dollar, if necessary. Negative values, if any, should be indicated by a minus sign. a. What was net operating working capital for 2018 and 2019? Assume the firm has no excess cash. 2018: $ 2019: $ b. What was the 2019 free cash flow? $ C. How would you explain the large increase in 2019 dividends? I. The large increase in net income from 2018 to 2019 explains the large increase in 2019 dividends. II. The large increase in EBIT from 2018 to 2019 explains the large increase in 2019 dividends. III. The large increase in sales from 2018 to 2019 explains the large increase in 2019 dividends. IV. The large increase in free cash flow from 2018 to 2019 explains the large increase in 2019 dividends. V. The large increase in retained earnings from 2018 to 2019 explains the large increase in 2019 dividends. -Select