Key comparative figures for Apple and Google follow. 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? Key comparative figures for Apple and Google follow. 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