Apple has the following product line information for the current year. Some data are assumed. $ millions iPhone Services Sales $ 142,381 $ 46,291 Contribution margin 68,343 33,330 Required: 1. Compute the contribution margin ratio for both product lines for the current year. 2. Which product line performed better based on contribution margin ratio? Complete this question by entering your answers in the tabs below. Required 1 | Requiredz Compute the contribution margin ratio for both product lines for the current year. Contribution margin ratio _ % _ % Which product line performed better based on contribution margin ratio? Which product line performed better based on contribution margin ratio? _