The operating revenues of the three largest business segments for Time Warner, Inc., for a recent year follow. Each segment includes a number of businesses, examples of which are indicated in parentheses. Time Warner, Inc. Segment Revenues (in millions) Turner (cable networks and digital media) 531,900 Home Box Office (pay television) 68,500 Warner Bros. (films, television, and videos) 78,500 Assume that the variable costs as a percent of sales for each segment are as follows Tumer 239 Home Box Office 2114 Warner Bros. 559 a. Determine the contribution margin and contribution margin ratio for each segment from the information given when required, round to the nearest whole millionth (for example, round 5,683.7 to 5,689). Round contribution margin ratio to whole percents for each segment from the information given Turner Home Box Office Warner Bros Revenues Variable costs Contribution margin Contribution margin ratio (as a percent)