Average rate of return, cash payback period, net present value method for a service company

The St$.$ Louis to Seattle Railroad is considering acquiring equipment at a cost of $$64,000.$ The equipment has an estimated life of $10$ years and no residual value. It is expected to provide yearly net cash flows of $$32,000.$ The company's minimum desired rate of return for net present value analysis is $10\%.$

Present Value of an Annuity of $$1$ at Compound Interest

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