1 Income statements for Stuart Company for Year 3 and Year 4 follow. STUART COMPANY Income Statements eBook Year 4 Year 3 Sales $201,100 $181,100 Hint Cost of goods sold 143,700 121,700 Selling expenses Interest expense. Total expenses 21,100 19,100 Administrative expenses 12,800 14,800 3,000 5,000 $180,600 $160,600 Income before taxes Income taxes expense Net income 20,500 5,200 20,500 3,200 $ 15,300 $ 17,300 Required a. Perform a horizontal analysis, showing the percentage change in each income statement component between Year 3 and Year 4. b. Perform a vertical analysis, showing each income statement component as a percentage of sales for each year. Complete this question by entering your answers in the tabs below. Required A Required B Perform a horizontal analysis, showing the percentage change in each income statement component between Year 3 and Year 4. (Negative answers should be indicated by a minus sign. Round your percentage answers to 1 decimal place. (i.e., 0.234 should be entered as 23.4).)