Oriole, Inc. is considering purchasing equipment costing $68000 with a 6-year useful life. The equipment will provide annual cost savings of $16541 and will be depreciated straight-line over its useful life with no salvage value. Oriole requires a 10% rate of return. What is the approximate internal rate of return for this investment? 9%11%12%10% Cheyenne is contemplating a capital project costing $40553. The project will provide annual cost savings of $15400 for 3 years and have a salvage value of $3000. The company's required rate of return is 10%. The company uses straight-line depreciation. Rounding to the nearest dollar, the project is acceptable because it has zero NPV. unacceptable because it has a negative NPV. unacceptable because it earns a rate less than 10%. acceptable because it has a positive NPV