High Flying Company has an opportunity to make an investment that will yield $1,000 net cash inflow per year for the next 10 years. The investment will cost $6,000 and will have no salvage value. After cost reductions and depreciation related to the new investment, the future average annual net income will increase $800. Calculate the payback period. High Flying Company has an opportunity to make an investment that will yield $1,000 net cash inflow per year for the next 10 years. The investment will cost $6,000 and will have no salvage value