The operating tevenues of the three largest buskess segments for Tine Warner, inc, for a recent year fotow. Each segment includes a number of breinesses, exargies of which are ndicated in purentheses Assume that the vanable costs as a petcent of sales for each segmert ate as folows: Required: a. Determine the contrbution margin and contribution margin ratio for each segment from the information given. Enter amounts in millions rounded to whole amount. Round contnbution margin ratios to whole percents for each segment from the above information. Enter all amounts as positive numbers. Refer to the Amount Descriptions list provided for the exact wording of the answer choices for text entries. b. Does the segment with the highest contrbution margin in (a) mean that it is the most profitable segment with the highest operating income