Comparative Statements for Kool Corporation Are Shown Below Calculate Trend Percentages for All Income Statement Amounts Shown and

Comparative statements for Kool Corporation are shown below:
$\begin{array}{c} \text { KOOL CORPORATION }\\ \text { Comparative Income Statement }\\ \text { For the Years Ended December 31 }\\\begin{array}{|l|r|r|r|}\hline& \underline{2014} & \underline{2013} & \underline{2012} \\\hline \text { Sales } & \$ 14,800 & \$ 13,229 & \$ 13,994 \\\hline \text { Cost of goods sold } & 8,225 & 8,661 & 8,375 \\\hline \text { Gross profit } & 6,575 & 4,568 & 5,619 \\\hline \text { Operating expenses } & \underline{3,664} & \underline{3,576} & \underline{3,487} \\\hline \text { Operating income } & \underline{\$ 2,911} & \underline{\$ 992} & \underline{\$ 2,132} \\\hline\end{array}\end{array}$

Calculate trend percentages for all income statement amounts shown and comment on the results.Use 2012 as the base year.