Answer:The investment cost is $280,000
The expected useful life of the investment is 66 years
The annual net operating income is $114,000
The annual depreciation expense is 31,000
The annual cash inflows for this project will include net operating income and depreciation expense (non-cash item) is $145,000 ($114,000 + $31,000)
The payback period formula is used to calculate the period
Payback Period = Investment Cost / net cash inflow per year
=$280,000 / $145,000
= 1.93 years
Step-by-step explanation: