One way to do that is to use "time value of money" tables to compute the present value of the expected cash inflows from the investment.
The attached files contain two present value tables that you can use to easily calculate the present value of a future payment, or the present value of a series of future payments. The files also contain examples showing how to use the tables.
File Description: The file is in rich text format (RTF) that is suitable for use with most word processing programs used in the Windows environment. However, the file includes Word 6.0/7.0 tables, which may not be rendered properly by some word processing programs.
Download: Present value tables for a future payment
Present value tables for a future payment











