Fitness Fanatics is a regional chain of health clubs that evaluates its club managers based on return on investment $($ROI$).$ The company's Springfield Club reported the following results for the past year:

Sales $ $830,000$

Net operating income $ $23,240$

Average operating assets $ $100,000$

The following questions are to be considered independently.

Compute the Springfield club$$s return on investment $($ROI$).$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.