11-Ch 17 Saved Common-size and trend percentages for a company's net sales, cost of goods sold, and expenses follow: Common-Size Percentages Trend Percentages Net sales 2023 100.0% 2022 100.0% 2021 2023 2022 2021 Cost of goods sold Expenses 66.7 18.9 63.6 16.6 100.0% 60.7 18.6 108.6% 107.1% 100.0% 116.7 111.1 111.4 100.0 104.5 100.0 Required: a. Calculate the profit percentage for 2021, 2022 and 2023. (Round the final answers to 2 decimal places.) Profit Percentage 2021 % 2022 2023 % % b. Determine whether the company's profit increased, decreased, or remained unchanged during this three-year perio Profit < Prev 2 of 4