Beamer Steamers is purchasing a new steam cleaning unit for $100,000. It is expected to save them $25,000 per year in operating costs for the next 10 years. Maintenance will cost $5,000 per year. Using straight-line depreciation, no salvage value and a total income tax rate (ITR) of 34%, state here the percent after-tax rate of return (ROR) for the purchase of this system to 2 decimal places, e.g. 4.47% or 25.61%.

Percent after-tax ROR: _________