ncome statements for gibson company for year 3 and year 4 follow. gibson company income statements year 4 year 3 sales $201,300 $181,300 cost of goods sold 142,700 120,700 selling expenses 21,200 19,200 administrative expenses 12,200 14,200 interest expense 3,600 5,600 total expenses $179,700 $159,700 income before taxes 21,600 21,600 income taxes expense 5,600 3,500 net income $16,000 $18,100 required perform a horizontal analysis, showing the percentage change in each income statement component between year 3 and year 4. perform a vertical analysis, showing each income statement component as a percentage of sales for each year.