Required information [The following information applies to the questions displayed below Fitness Fanatics is a regional chain of health clubs. The managers of the clubs, who have authority to make investments as needed, are evaluated based largely on return on investment (ROI). The company's Springfield Club reported the following results for the past year: Sales Net operating income Average operating assets 100,000 810,000 $ 21,060 The following questions are to be considered independently Required 1. Compute the Springfield club's return on investment (ROI). (Do not round intermediate calculations. Round your answer to 2 decimal places.) Return on investment (ROI)