The income statements for Amazon.com, Google, Inc., and Borders, lnc., for a recent year are provided below. Amazon.com Google, Inc. Borders, Inc. Net sales $6,921 $3,189 $3,903 Cost of sales 5,319 1,457 2,804 Gross profit $1,602 $1,732 $1,099 Selling, general, and administrative expenses 1,162 1,092 883 Operating income $ 440 $ 640 $ 216 Interest expense (income) 84 (10) 9 Income before income taxes $ 356 $ 650 $ 207 Income taxes expense (benefit) (232) 251 76 Net income $ 588 $ 399 $ 131 In addition, the statement of cash flows revealed the following line item in the cash flows from operations section of the statement: Amazon.com Google, Inc. Borders, Inc. Depreciation and amortization $76 $148 $113 1. Determine EBITDA (earnings before interest, taxes, depreciation, and amortization) for each company. 2. Why is the EBITDA for Amazon.com actually less than the net income? 3. Would you conclude that the EBITDA performance of Amazon.com is more like an Internet company such as Google, Inc., or more like a book retailer like Borders, Inc.? Explain. Hint: Compute EBITDA as a percent of net sales. 4. How is EBITDA different than cash flows from operations