Prepare a horizontal analysis of the following comparative income statement of The Sunny Day Group.

$($Click the icon to view the comparative income statement.$)$

Why did net income increase by a higher percentage than net sales revenue during $2020?$

Show Sunny Day's horizontal analysis of net sales and expenses. $($Round the percentages to the nearest hundredth percent.$)$

The Sunny Day Group

Horizontal Analysis of Comparative Income Statements

Years Ended December $31,2020$ and $2019$