440 VALUATION, DEPRECIATION AND THE RATE-BASE 
TABLE 31. EXPECTANCY AND REMAINING VALUE OF ANY 
ARTICLE WHOSE REPLACEMENT COST IS $100 (Continued) 
ProBABLE LIFE 25 Years 
25 YEARS 25 YEARS 
Remaining value. 
Beginning Expectancy _ 
of year. years. 
4 per cent per 5 per cent per 6 per cent per 7 per cent per 
annum. annum. annum. annuin. 
25.00 $100.00 $100.00 $100.00 $100.00 
24.10 97.80 98.10 98.40 98.60 
| 23.20 95.60 96.10 | 96.60 97.10 
; 22.30 93.30 94.10 94.80 95.40 
5 21.45 91.00 92.00 92.90 93.80 
6 | 20.60 88.70 90.00 91.10 92.10 
7 19.80 86.40 87.90 | 89.20 90.50 
3 19.05 84.20 85.90 87.40 88.80 
9 18.30 81.90 83.80 85.50 87.20 
10 | 17.60 79.80 81.80 83.60 85.30 
11 16.90 77.60 79.70 81.70 83.50 
12 16.20 75.20 77.50 79.60 81.60 
13 15.55 73.00 75.45 | 77.70 79.80 
14 14.90 70.80 73.30 75.60 77.80 
16 14.30 68.70 71.20 73.70 76.00 
16 13.75 66.70 69.30 71.90 74.20 
17 | 13.20 6al90 8} 67.30 69.90 72.40 
18 12.70 62.30 65.50 68.10 70.60 
19 12.20 61.80 63.60 66.30 68.90 
20 11.70 58.90 61.70 64.40 67.00 
21 | 11.25 57.10 59.90 62.70 65.30 
22 10.80 55.20 58.10 60.90 63.50 
23 10.40 53.60 56.40 59.20 61.90 
24 10.00 5I.90 54.80 57.60 60.30 
2b 9.60 50.20 53.00 55.80 58.50 
26 9.25 43.70% '% 5I.50 54.30 57.00 
27 8.90 47.10 49.90 52.70 55.40 
28 8.50 45.30 48.10 50.90 53.60 
29 8.15 43.80 46.50 49.30 51.90 
30 7.80 42.20 44.90 47.60 50.10 
STE 7.40 40.30 43.00 45.60 48.20 
36 5.60 31.50 33.90 36.30 38.60 
41 3.80 22.10 24.00 25.90 27.80 
46 2.05 12.40 13.50 14.70 15.90 
49 1.00 6.20 6.80 7.40 8.00