The internal rate of return is a rate of return used in capital budgeting to measure and compare the profitability of investments. More at Wikipedia
Accounting rate of return - Accounting rate of return, also known as the Average rate of return, or ARR is a financial ratio used in capital budgeting.
Capital budgeting - Capital budgeting is the planning process used to determine whether a firm's long term investments such as new machinery, replacement machinery, new plants, new products, and research developme...
Discounted cash flow - In finance, discounted cash flow analysis is a method of valuing a project, company, or asset using the concepts of the time value of money.
Net present value - In finance, the net present value or net present worth of a time series of cash flows, both incoming and outgoing, is defined as the sum of the present values of the individual cash flows.