its Part B and Part C only

Cullumber Medical manufactures hospital beds and other institutional furniture. The company's comparative balance sheet and income statement for 2019 and 2020 follow. ACC-650 TOPIC 8 Assignment 7 of 8 2.67/8 Cullumber Medical Comparative Income Statement and Statement of Retained Earnings For the Year Cullumber Medical Comparative Income Statement and Statement of Retained Earnings For the Year ACC-650 TOPIC 8 Assignment 7 of 8 2.67/8 Calculate the following profitability ratios for 2020. (Round answers to 1 decimal place, e.g. 50.1\%.) a. Gross margin percentage b. Return on assets c. Return on common stockholders' equity % % %