Harwell Printing Co. is considering the purchase of new electronic printing equipment. It would allow Harwell to increase its net income by $79,928 per year. Other information about this proposed project follows: Assume straight line depreciation method is used. Required: 1. Calculate the accounting rate of return for Harwell. (Round your percentage answer to 1 decimal place.) 2. Calculate the payback period for Harwell. (Round your answer to 2 decimal places.)