The Johnson Company is considering investing in a wind turbine to generate its own power. Any unused power will be sold back to the local utility company. Between cost savings and new revenues, the company expects to generate $'i'87,500 per year in net cash inows from the turbine. The turbine would cost $4.5 million and is expected to have a 20-year useful life with no residual value. Calculate the payback period. .' First enter the formula, then calculate the payback period. [Enter amounts in the formula as whole dollars and not in millions. Round the payback period to two decimal places.) + = Payback period ll + % l_lyears