future_to_present {EngrEcon}

Compute present values from future payments (or cash flow) future_to_present calculate present value from future value using present worth factor (pwf)

Description

Compute present values from future payments (or cash flow)

future_to_present calculate present value from future value using present worth factor (pwf)

Usage

future_to_present(i, n, FV)

Arguments

i

discount rate in percent per year

n

life span in years

FV

future value

Value

pr.value

References

Newnan, D. G., Eschenbach, T. G., Lavelle, J. P., & Oxford, N. Y. Engineering Economic Analysis, 14th ed. New York, Oxford University Press, 2020

David, W., & Terry, R. Fundamentals of Engineering Economics and Decision Analysis. Springer Nature, 2012

Examples

 
# Result: pr.value = 2981.32
future_to_present(0.08, 30, 30000)