Step Up Ladders Company provides the following financial​ information: Income from operations ​$400,000 Interest expense ​47,000 ​Gains/(losses) on sale of equipment ​3,000 Net income ​350,000 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.)