cban (version 1.0)

npv: Net Present Value

Description

It calculates the net present value of a project in financial terms.

Usage

npv(x)

Arguments

x

a data frame or list containing of variables: discounted cost and discounted benefit in that order.

Value

returns a double or integer

Details

The function specifically targets the second list component returned by the function bcr as its argument but can use other data frame or list of discounted cost and discounted benefit. Net present value is also a method of cost nenefit analysis.

Examples

# NOT RUN {
tb = data.frame(cost=c(2500, 28000,15800.50), benefit=c(2600.95,30600,16200.50), rate =
c(4,4,4.2), no.of.years=c(1,1,1))
bc = bcr(tb)
bc = bc[2]
pv = npv(bc)
# }