A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto: Members of the company's board of directors are surprised to see that net income increased by only $153, 800 when sales increased by $1, 756, 800. 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).)