What do the data in case Exhibits $2$ and $3$ reveal about Under Armour's financial and operating performance? Select "yes" for those statements below that are accurate and choose $"$no$"$ for those that are not. a$.$ From FY$2016$ to FY$2018,$ growth rates in just about all revenue and profitability categories slackened considerably, with the sole exception of the company's long$-$term investment in Connected Fitness, which has just turned profitable. b$.$ Gross margins in all but the Connected Fitness category also dropped considerably. c$.$ Income from operations and net income increased in $2017,$ despite a very modest $3\mathrm{.}1$ percent increase in net revenues. d$.$ Operating profit margins in North America showed a sharp decline for Under Armour between $2016$ and $2018.$