Revenue and expense data for Bluestem Company are as follows: Year 2 Year 1 Administrative expenses $37,720 $ 20,300 Cost of goods sold 360,000 319,900 Income tax 41,000 32,200 Sales 820,000 700,000 Selling expenses 154,160 109,900 Required: (a) Prepare a comparative income statement, with vertical analysis, stating each item for both years as a percent of sales. Round your percentages to one decimal place. Enter all amounts as positive numbers. Refer to the Accounts and Amount Descriptions for correct wording of text entries. (b) Comment on significant changes disclosed by the comparative income statement.