Use the following information to answer questions 41-43. From Corporation A's income statement for the year ended 12/31/19 Net sales revenues Net Income Income tax expense Cost of goods sold $ 4,000 500 100 3,000 41. Return on sales percentage of Corp A for 2019 A. 25% B. 12.5% C. 60% D. 50% E. none are correct 42. Gross margin percentage of Corp A for 2019 is A. $1,000 B. $500 C. $600 D. 12.5% E. None are correct 43. Operating expenses are likely what amount? A. $3,000 B. $3,100 C. $1,000 D. $200 E. none are correct 44. XXX Corp reports total assets of $500 and stockholders' equity of $300. What is the debt to assets ratio (to nearest %)? A. 40% B. 20% E. None are correct C. 60% D. 67%