BE5.12 (LO 4, 5) In 2021, Modder Corporation reported sales of $250,000; cost of goods sold of $137,500; operating expenses of $50,000; and income tax expense of $20,000. In 2020, it reported sales of $200,000; cost of goods sold of $114,000; operating expenses of $40,000; other income of $10,000; and income tax expense of $15,000. (a) Calculate the gross profit and net income for each year. (b) Calculate the gross profit margin and profit margin for each year. (C) Comment on Modder's changing profitability. Calculate profitability ratios and comment. DT