The last four years of returns for a stock are as follows: a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? a. What is the average annual return? The average return is \%. (Round to two decimal places.) This year, FCF Inc. has earnings before interest and taxes of $10,080,000, depreciation expenses of $1,500,000, capital expenditures of $1,700,000, and has increased its net working capital by $550,000. If its tax rate is 21%, what is its free.cash flow? The company's free cash flow is $. (Round to two decimal places.)