Vertical Analysis of Income Statement Revenue and expense data for Innovation Quarter Inc. for two recent years are as follows: Current Year Previous Year Sales $4,000,000 $3,600,000 Cost of goods sold 2,280,000 1,872,000 Selling expenses 600,000 648,000 Administrative expenses 520,000 360,000 Income tax expense 240,000 216,000 a. Prepare an income statement in comparative form, stating each item for both years as a percent of sales. Round to the nearest whole percentage. Innovation Quarter Inc. Comparative Income Statement For the Years Ended December 31 Current year Amount Current year Percent Previous year Amount Previous year Percent Sales $4,000,000 % $3,600,000 % Cost of goods sold (2,280,000) % (1,872,000) % $ % $ % Selling expenses $(600,000) % $(648,000) % Administrative expenses (520,000) % (360,000) % $ % $ % $ % $ % Income tax expense (240,000) % (216,000) % $ % $ % b. The vertical analysis indicates that the cost of goods sold as a percent of sales by 5 percentage points, while selling expenses by 3 percentage points, and administrative expenses by 3 percentage points. Thus, net income as a percent of sales by 5 percentage points.