Segment disclosure by Apple Inc. (AAPL) provides sales information for its major product lines for three recent years as follows (in millions):

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. Which product had the greatest percentage of Year 3 sales? Which product had the least percentage of Year 3 sales? Round to nearest whole percent.

b. Which product grew the most in sales, in percentage terms, using Year 1 as the base year? Round to nearest whole percent.

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Year 3 Segment iPhone Year 2 $155,041 23,227 25,471 19,909 10,067 Year 1 $101,991 30,283 $136,700 20,628 22,831 iPad Mac Services Other Products Total sales 24,079 18,063 8,379 24,348 11,132 $215,639 $233,715 $182,795