Condensed income statements for Comcast Corp., the largest U.S. cable operator, and DirecTV Group, Inc., a satellite-based entertainment company, for a recent year are provided below (in millions)....

Condensed income statements for Comcast Corp., the largest U.S. cable operator, and DirecTV Group, Inc., a satellite-based entertainment company, for a recent year are provided below (in millions). DirecTV Comcast Corp. Group Inc. Revenues $20,307 $11,360 Operating expenses (excluding depreciation) $ 7,462 $ 8,668 Selling, general, and administrative expenses 5,314 3,973 Depreciation expense 3,420 670 Amortization expense 1,203 168 Total expenses $17,399 $13,479 Operating income (loss) $ 2,908 $ (2,119) Interest income (expense) (1,112) 359 Income (loss) before tax $ 1,796 $ (1,760) Income tax (expense) benefit (826) 704 Net income $ 970 $ (1,056) a. Determine EBITDA for each company. b. Determine EBITDA divided by revenues for each company. c. Compare and contrast Comcast with DirecTV based on your answers to parts (a) and (b).