Sammy Corporation is considering two alternative investment proposals with the following data: Proposal A Proposal B Investment $850,000 $468,000 Useful life 8 years 8 years Estimated annual net cash inflows for 8 years $125,000 $78,000 Residual value $40,000 $ Depreciation method Straight-line Straight-line Required rate of return 14% 10% Using EXCEL or a financial calculator, determine the internal rate of return for Proposal A? (Ignore taxes) Group of answer choices 2.79% 2.88% 4.57% 14.71%