Time Warner, Inc. Segment Revenues (in millions) Assume that the variable casts as a percent of sales for each segment are as follows: a. Determine the contribution margin and contribution margin ratio for each segment from the information given. Wisen required, round to the nearest whole millionth (for example, round 5,688.7 to 5,689 ). Round contribution margin ratio to whole percents for each segment from the information given. b. Does your answer to (a) mean that the other segments are more prontable businesses? The higher contribution margin ratio of a segment should not be interpreted as being the prontable segment, If the volume of business is not suffieint to exceed the break-even point, then the segments would be fetermining the overall profitability of the segments. The shows how sensitive the profit will be to changes in volume