Key comparative figures for Apple and Google follow. $ millions Net sales Cost of sales 161,782 163,756 Apple Google Current Year Prior Year Current Year Prior Year $ 260,174 $ 265,595 $ 161,857 $ 136,819 71,896 59,549 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 the company's current-year gross margin underperform or outperform the 35% industry average in the case of Apple? 3-b. Does the company's current-year gross margin underperform or outperform the 35% industry average in the case of Google? 4-a. Is the change in the company's current-year gross margin favorable or unfavorable for Apple? 4-b. Is the change in the company's current-year gross margin favorable or unfavorable for Google? 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. Note: Enter your dollar answers in millions. Round your percentage answers to 1 decimal place. Apple Google (S millions) Current Year Prior Year Net sales $ Cost of sales 260,174 161,782 $ 265,595 163,756 $ Current Year 161,857 Prior Year $ 136,819 71,896 59,549 Gross margin Gross margin ratio % % % % Required 1 Required 2 >