Present value calculation Without referring to the preprogrammed function on your financial calculator, use the basic formula for present value, along with the given discount rate, r, and the number of periods, n, to calculate the present value of $1 in the case shown in the following table. (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Opportunity cost, Number of periods, no 19% 15 The present value of $1 is $ (Round to three decimal places.)