ACME Toys accounting system provided the following data for the last two years : 2022 2021 Revenues \$55; 42, 25 Gross profit 41,000 2,000 Operating expenses 11,500 7,750 Interest expense 4,500 3,500 Income tax 1,500 1,100 Total assets 150,000 185,000 Total liabilities 95,000 77,500 Total equity 90; 86 Required : Calculate the net income , profit margin , return on assets , and return on equity for 2022. Where applicable use averages in your calculations .