iPad Mac Segment disdosure by Apple Inc. (AAPL) provides sales information for its major product lines for three recent years as follows (in millions): Segment Year 3 Year 2 Year 1 iPhone $136,700 $155,041 $101,991 20,628 23,227 30,283 22,831 25,471 24,020 Services 24,348 19,909 18,063 Other Products 11,132 10,067 8,379 Total sales $215,639 $233,715 $182,795 The Services segment includes sales from iTunes Store, App Store, Mac App Store, TV App Store, iBooks Store, Apple Music, AppleCare, and Apple Pay. The Other Products segment includes sales from Apple TV, Apple Watch, Beats products, iPod, and Apple-branded accessories. a. Prepare a vertical analysis of Year 3 sales. (Round percentages to nearest whole percent.) Segment Year 3 Sales Percent of Total Sales iPhone $136,700 % iPad 20,628 Mac 22,831 % % Services 24,348 % Other Products % 11,132 $215,639 Total sales 9 Which product had the greatest percentage of Year 3 sales? Which product had the least percentage of Year 3 sales? Greatest percentage Least percentage b. Prepare a horizontal analysis of the change in sales from Year 1 to Year 3. (Round percentages to nearest whole percent. For those boxes in which you must enter subtractive or negative numbers use a minus sign.) Increase (Decrease) Segment Year 3 Year 1 Amount Percent iPhone $136,700 $101,991 $ % iPad % 20,628 22,831 30,283 24,079 Mac % Services 24,348 18,063 %% Other Products 11,132 8,379 % Total sales $215,639 $182,795 % Which product grew the most in sales, in percentage terms, using Year 1 as the base year