# How to determine discount rate for npv

In this case, we'll use 3 year' as the time period in our NPV calculation to determine whether the juicer will pay for itself before it's likely to break.

Moreover, the payback period is strictly limited to the amount of time required to earn back initial investment costs.In simpler situations, you can usually just use the return rate on a savings account, stock investment, etc.For example, IRR could be used to compare the anticipated profitability of a three-year investment with that of a 10-year investment because it appears as an annualized figure.Payback period, or payback method, is one popular metric that is frequently used as an alternative to net present value.Because IRR is necessarily annual it refers to projected returns on a yearly basis it allows for the simplified comparison of a wide variety of types and lengths of investments.5, discount your cash inflows.As noted above, businesses and individuals make investments with the goal of making money in the long run.One primary issue with gauging an investments profitability with NPV is that NPV relies heavily upon multiple assumptions and estimates, so there can be substantial room for error.Internal rate of return (IRR) is another metric commonly used as an NPV alternative.Additionally, discount rates american spirit gift certificate 2017 and cash inflow estimates may not inherently account for risk associated with the project and may assume the maximum possible cash inflows over an investment period.Next Up, breaking down 'Net Present Value - NPV'.

Comparisons of investments payback periods, then, will not necessarily yield an accurate portrayal of the profitability of those investments.

IRR calculations assume a neutral NPV (a value of zero) andĀ solveĀ for the discount rate.