A small town in Ohio is considering the purchase of a new parking system that would enhance the collection of parking fees while providing additional convenience to shoppers. The hardware requires an immediate investment of $900. The town estimates that the new system will create an annual cash flow of $135 to be received at the end of each year, beginning in one year, for 9 consecutive years. And, in addition, the project will produce a terminal cash flow in year 10 of $235. What is the payback, in years, of the computer package