Page 46 - An Introduction To Predictive Maintenance

36 An Introduction to Predictive Maintenance

Table 2–1 Future Value
Future Value = Principal (1 + Interest ) n
Interest
Periods 1% 2% 4% 10% 15% 20%

1 1.010 1.020 1.040 1.100 1.150 1.200
2 1.020 1.040 1.082 1.210 1.322 1.440
3 1.030 1.061 1.125 1.331 1.521 1.728
4 1.041 1.082 1.170 1.464 1.749 2.074
5 1.051 1.104 1.217 1.610 2.011 2.488
6 1.062 1.126 1.265 1.772 2.313 2.986
7 1.072 1.149 1.316 1.316 2.660 3.583
8 1.083 1.172 1.369 1.369 3.059 4.300
9 1.094 1.195 1.423 1.423 3.518 5.160
10 1.105 1.219 1.480 1.480 4.046 6.192
11 1.116 1.243 1.539 1.539 4.652 7.430
12 1.127 1.268 1.601 1.601 5.350 8.916
18 1.196 1.428 2.026 2.026 12.359 26.623
24 1.270 1.608 2.563 2.563
36 1.431 2.040 4.104 4.104
48 1.612 2.587 6.571 6.571
60 1.817 3.281 10.520 10.520

Table 2–2 Present Value
1
PV = S
(1 + i) n
Interest
Periods 1% 2% 4% 10% 15% 20%
1 .990 .980 .962 .909 .870 .833
2 .980 .961 .925 .826 .756 .694
3 .971 .942 .889 .751 .658 .579
4 .961 .924 .855 .683 .572 .482
5 .951 .906 .822 .621 .497 .402
6 .942 .888 .790 .564 .432 .335

7 .933 .871 .760 .513 .376 .279
8 .923 .853 .731 .467 .327 .233
9 .914 .837 .703 .424 .284 .194
10 .905 .820 .676 .386 .247 .162
11 .896 .804 .650 .350 .215 .135
12 .887 .788 .625 .319 .187 .112
18 .836 .700 .494 .180 .081 .038
24 .788 .622 .390 .102 .035 .013
36 .699 .490 .244 .032
48 .620 .387 .152
60 .550 .305 .096