Income statements for Rundle Company for Year 3 and Year 4 follow: RUNDLE COMPANY Income Statements Year 4 Sales 5201,490 Cost of goods sold 142, 100 Selling expenses 21,480 Administrative expenses 12,600 Interest expense 3,000 Total expenses $179, 100 Income before taxes 22,388 Income taxes expense 5,700 Net income $ 16,600 Year 3 $181,400 120, 100 19,400 14,500 5,000 $159,100 22,300 3,700 $ 18,600 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