Aanking investment Proposals. Payback Peried, Accounting kate of heburn, and Net hreseet value ig the payback period, the accounting rate of return on initial investment, and the net present value criteria ed for each computation. Use a negative sign with your answers, when appropriate. Aanking investment Proposals. Payback Peried, Accounting kate of heburn, and Net hreseet value ig the payback period, the accounting rate of return on initial investment, and the net present value criteria ed for each computation. Use a negative sign with your answers, when appropriate