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. If required, round percentages to one decimal place. Enter all amounts as positive numbers. Innovation Quarter Inc. Comparative Income Statement For the Years Ended December 31 Current year Current year Previous year Previous year Amount Percent Amount Percent Sales $4,000,000 53,600,000 Cost of goods sold 2,280,000 1,872,000 600,000 96 648,000 Selling expenses 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