The following amounts were taken from the financial statements of Windsor, Inc.: 2017 2016 Total assets $801000 $1032000 Net sales 721000 662000 373000 326000 Gross profit Net income 128000 119000 97700 97700 Weighted average number of common shares outstanding $42 $39 Market price of common stock The profit margin ratio for 2017 is O 21%. O 18%. O 19%. O 17%