Income statements for Solomon Company for 2018 and 2019 follow: SOLOMON COMPANY Income Statements 2019 Sales $ 200,100 Cost of goods sold 142,900 Selling expenses 20,000 Administrative expenses 12,300 Interest expense 3,100 Total expenses $ 178,300 Income before taxes 21,800 Income taxes expense 6,100 Net income $ 15,700 2018 $180,100 120,900 18,000 14,300 5,100 $ 158,300 21,800 3,800 $ 18,000 Required a. Perform a horizontal analysis, showing the percentage change in each income statement component between 2018 and 2019. b. Perform a vertical analysis, showing each income statement component as a percentage of sales for each year