Net Present Value Edit Meaning

1.

Money has a time value, net present value is future cashflows brought back to today's value against a discount factor (11% is standard), minus the initial investment. If the net present value of cumulative cashflows is positive, then the project should be accepted, unless a more profitable investment is also availiable.

To calculate the NPV of an investment, one must know the discount factor, cost of investment and expected incomes (based off accurate data)