Investopedia

The net present value (NPV) is the current value of an amount of money in the future, as if it existed today. A dollar today is worth more than a dollar in the future, since that dollar could be earning an interest rate when invested today. We calculate the present value of a future dollar by discounting it.

Net present value = Future value / (1 + Discount rate) ^ Number of years from today

The amount of money a company earned after deducting all costs of doing business, often referred to as "the bottom line". Net income can be found on the income statement and is the most commonly used figure for assessing how profitable a company is. However, be wary of the fact that this figure is highly susceptible to manipulation by management.