Required 1. Compute the amount of gross margin and the gross margin ratio for the two years shown for each of these companies. 2. Which company earns more in gross margin for each dollar of net sales for the current year? 3-a. Does Apple's current-year gross margin underperform or outperform the industry (assumed) average of 35.0%? 3-b. Does Google's current-year gross margin underperform or outperform the industry (assumed) average of 35.0%? 4-a. Are Apple's current-year gross margin on a favorable or unfavorable trend? 4-b. Are Google's current-year gross margin on a favorable or unfavorable trend? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Compute the amount of gross margin and the gross margin ratio for the two years shown for each of these companies. (Round your percentage answers to 1 decimal place.) ($ millions) Net sales Cost of sales Gross margin Gross margin ratio Apple Current $ 215,639 $ 131,376 Prior 233,715 140,089 Google Current $ 90,272 $ 35,138 Prior 74,989 28,164 % % %