Bartlett Car Wash Co. is considering the purchase of a new facility. It would allow Bartlett to increase its net income by $79, 213 per year. Other information about this proposed project follows: Assume straight line depreciation method is used. Required: Calculate and the accounting rate of return for Bartlett. (Round your answer to 2 decimal places.) Calculate and the payback period for Bartlett. (Round your answer to 2 decimal places.)