Return on Software: Maximizing the Return on Your Software Investment

Appendix B. Interest Tables

This appendix contains a set of discrete compounding interest factor tables. Tables are included for each of the following interest rates:

Table	Interest Rate	Table	Interest Rate
B.1	0.25%	B.18	14%
B.2	0.50%	B.19	15%
B.3	0.75%	B.20	16%
B.4	1%	B.21	17%
B.5	1.5%	B.22	18%
B.6	2%	B.23	19%
B.7	3%	B.24	20%
B.8	4%	B.25	25%
B.9	5%	B.26	30%
B.10	6%	B.27	35%
B.11	7%	B.28	40%
B.12	8%	B.29	50%
B.13	9%	B.30	60%
B.14	10%	B.31	70%
B.15	11%	B.32	80%
B.16	12%	B.33	90%
B.17	13%	B.34	100%

To use these interest tables, follow these steps:

1.	Find the table corresponding to the (closest) interest rate. If you need the equal-payment-series capital-recovery factor for 15% at 22 years—the (A/P,15%,22) factor—start at Table B.19. Table B.19. 15% Interest Factors for Discrete Compounding Single-Payment Equal-Payment-Series ...