Express the following income statement information in common-size percentages and in trend percentages using 2020 as the base year. Comment on the results (Analysis) Common- Trend Size Percentages Percentages 2021 2020 2021 2020 2021 2020 Sales Cost of goods sold $640,000 $560,000 282,000 238,000 Gross profit $358,000 $322,000 Selling expenses 132,000 120,000 Administrative expenses 160,000 140,000 Net income $66,000 $62,000