The following details are provided by a manufacturing company. Investment Useful life Estimated annual net cash inflows for first year Estimated annual net cash inflows for second year Estimated annual net cash inflows for next ten years Residual value Depreciation method Required rate of return Calculate the payback period for the investment. O 2.5 years 2.83 years 3.0 years O 3.5 years Product line $1,000,000 12 years $400,000 $350,000 $300,000 $50,000 Straight-line 12%