costs you listed. Calculate the net present value and return on investment. Include a break-even analysis. Assume a 10 percent discount rate and a five-year time horizon. One-time Costs: 235 Recurring Costs: 280 costs you listed. Calculate the net present value and return on investment. Include a break-even analysis. Assume a 10 percent discount rate and a five-year time horizon. One-time Costs: 235 Recurring Costs: 280