Additional information: 1. The inventory turnover is 2.5 times. 2. 3. 4. The return on common stockholders' equity is 30%. The company had no additional paid-in capital. The accounts receivable turnover is 8.0 times. The return on assets is 12.5%. 5. Total assets at December 31, 2019, were $615,000. Compute the following for Panza Corporation. (a) Cost of goods sold for 2020 (b) Net credit sales for 2020. (c) Net income for 2020 (d) Total assets at December 31, 2020 $