Step Up Ladders Company provides the following financial information: Income from operations $250,000 Interest expense 50,000 Gains/(losses) on sale of equipment 2,800 Net income 197,200 Total assets at Jan. 1 2,600,000 Total assets at Dec.31 3,400,000 Calculate return on investment based on the information given above. (Round your answer to two decimal places.) O A. 9.62% OB. 8.33% OC. 6.57% OD. 7.35%