Step Up Ladders Company provides the following financial information: Income from operations $400,000 Interest expense 46,000 Gains/(losses) on sale of equipment 2,500 Net income 351,500 Total assets at Jan. 1 2,800,000 Total assets at Dec .31 3,200,000 Calculate return on investment based on the information given above. (Round your answer to two decimal places.) A. 13.33% B. 12.5% C. 11.72% D. 14.29%