Investors are virtually interested in a company's sales and profits and its trends of sales and profit over time. consider Yum! Brands, Inc.'s sales and net income (net loss) during the period from 2010 through 2012. Compute the percentage increase or decrease in net sales and also in net income (ne loss) from 2010 to 201. Which item grew faster during this two year period net sales or net income (net loss)? What are the possible explanation for the changes.