From the following data, find the 2019 Net Sales index number (as a %), using 2015 as the base year. (Round to the nearest tenth percent.) International Industries-5 Year Selected Financial Data 2019 2018 2017 2016 2015 Net Sales 491,390 459,620 488,960 461,280 431,900 Net Income 42,470 43,780 47,590 51,730 51,730 Total Assets 141,540 148,990 156,830 156,830 146,570 % Need Help? Read It Watch It Master It