Percentage Changes
Selected Information from the Financial Statements of Perfectly

Percentage changes
Selected information from the financial statements of Perfectly Baked Cake Co. appears below:
$\begin{array}{|l|r|r|}\hline & {2011} &{2010} \\\hline \text { Sales } & \$ 1,692,000 & \$ 1,600,000 \\\hline \text { Total expenses } & 1,470,000 & 1,520,000 \\\hline \text { Profit } & \$ 222,000 & \$ 80,000 \\\hline\end{array}$ (a) Compute the percentage change in each of the above items from 2010 to 2011. Use a + or - to indicate increase or decrease.
Sales $\quad$$\quad$$\quad$$\quad$ _______%
Total expenses $\quad$ _______%
Profit $\quad$$\quad$$\quad$$\quad$ _______% (b) Compute profit as a percentage of net sales in each year. (Round to the nearest one-tenth of 1%) $$\begin{array} { | l | r | } \hline 2010 &\quad\quad \% \\\hline 2011 &\quad\quad \% \\\hline\end{array}$$