The firm's comparative income statement and balance sheet for the years 2022 and 2021 follow. Required: 1-a. Complete both a horizontal and a vertical analysis of comparative income statement for the years 2022 and 2021. 1-b. Complete both a horizontal and a vertical analysis of comparative balance sheet for the years 2022 and 2021. Analyze: Based on your analysis, which expense category experienced the greatest percentage change? The firm's comparative income statement and balance sheet for the years 2022 and 2021 follow. Required: 1-a. Complete both a horizontal and a vertical analysis of comparative income statement for the years 2022 and 2021. 1-b. Complete both a horizontal and a vertical analysis of comparative balance sheet for the years 2022 and 2021. Analyze: Based on your analysis, which expense category experienced the greatest percentage change