Exercise 9-3A (Static) Horizontal and vertical analysis LO 9-1 Income statements for Burch Company for Year 3 and Year 4 follow: 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. 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 answers to 1 decimal place. (1.e., 0.234 should be entered as 23.4).) Perform a vertical analysis, showing each income statement component as a percentage of sales for each year. (Percentages may not add exactly due to rounding. Round your answers to 1 decimal place. (i.e., 0.234 should be entered as 23.4).)