please answer all parts of the question. thanks!

Harwell Printing Co. is considering the purchase of new electronic printing equipment. It would allow Harwell to increase its net Income by $32,400 per year. Other information about this proposed project follows: Initial investment Useful lite Salvage value $180,000 3 year $ 90,000 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.) 1 Accounting Rate of Retur 2 Payback Ponod years