where i = Discount rate
CF = Cash Flow
j = the j th period
n = the total number of the period
Net Present Value is the cumulative present worth of income (positive values)
and a series of future payments (negative values) from a series of investment
cash flow using a discount rate to handle time values of money.
where i = Discount rate
CF = Cash Flow
j = the j th period
n = the total number of the period