The following information was drawn from the annual reports of two companies. Company A Company B Sales revenue $ 1,000 $ 2,000 Cost of goods sold (600 ) (1,100 ) Gross margin 400 900 Operating expenses (220 ) (700 ) Operating income 180 200 Gain on sale of equipment 150 0 Net income $ 330 $ 200 Based on this information, Company B’s return on sales is___________.

a. 60%.b. 55%.c. 45%.d. 40%.