A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: Members of the company's board of directors are surprised to see that net income increased by only $248,500 when sales increased by $1,764,000. Required: 1. Express each year's income statement in common-size percentages. (Round your percentage answers to 1 decimal place (i.e., 0.1234 should be entered as 12.3 ).) \begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{2}{|l|}{ This Year } & \multicolumn{2}{|l|}{ Last Year } \\ \hline Sales & & % & & % \\ \hline Cost of goods sold & & % & & % \\ \hline Gross margin & 0.0 & % & 0.0 & % \\ \hline Selling and administrative expenses: & & & & \\ \hline Selling expenses & & % & & % \\ \hline Administrative expenses & & % & & % \\ \hline Total selling and administrative expenses & 0.0 & % & 0.0 & % \\ \hline Net operating income & 0.0 & % & 0.0 & % \\ \hline Interest expense & & % & & % \\ \hline Net income before taxes & 0.0 & % & 0.0 & % \\ \hline \end{tabular}