provide me the correct answers for part b with the formulas

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 Note: Negathe answers should be indicated by a minus sign. a. Perform a horizontal anahysis, showing the percentage change in each income statement component between Year 3 and Year 4 Note: Negattive answers should be indicated by a minus sign. b. Perform a vertical analyst, showing each income statement camporent as a percentsce of sales for each year. b. Perform a vertical analysis, showing each income statement component as a percentage of sales for each vear