1) Compute the annual dollar changes and percent changes for each of the following 2) Use the following information for Boise Corporation to determine (1) the 202 and 203 common-size percents for cost of goods sold using net sales as the base and (2) the 20X2 and 203 trend percents for net sales using 201 as the base year. \begin{tabular}{lrrrrr} (\$ thousands) & 203 & \multicolumn{2}{l}{202} & 201 \\ \hline Net sales & $ & 101,400 & $ & 58,100 & $42,000 \\ Cost of goods sold & & 55,300 & & 30,700 & \\ \hline \end{tabular}