II4 VALUATION, DEPRECIATION AND THE RATE-BASE
TABLE 6. REPLACEMENT REQUIREMENTS
NUMEROUS ARTICLES. PROBABLE LIFE 20 YEARS
Each article is replaced as it goes out of use. For an original investment
of $100 with no betterments or additions. Also for an investment growing
at the uniform rate of $100 per year.
(For the special hypothesis as stated in the text.)
Plant of full growth, .
erigioal favesiment Growing plant, annual investment $100.
Replacements per year. Replacements per year.| Begley $100
$o.25 $ o.25 $0.25
0.50 0.75 0.38
0.75 1.50 0.50
1.01 2.51 0.63
1.26 3-77 0.76
1.52 5.20 0.89
1.79 7.08 1.01
2.06 9.14 LS
2.33 11.47 1.28
10 2.61 14.08 1.41
IL 2.90 16.98 1.55
3 3.19 20.17 1.69
2 3.49 23.66 1.82
tL 3.80 27.46 1.07
4.12 31.58 2.17
TO 4.45 36.03 2.26
17 4.69 40.72 2.41
5 5.15 45.87 2.56
1Yy 5.51 51.38 2.79
20 5.89 57.27 2.86
21 5.74 63.01 3.00
22 5.67 68.68 3-12
Zi 5.60 74.28 3°23
: 5.53 79.81 3.33
3 5.46 85.27 3.41
2) 5.40 90.17 3.49
27 5.36 96.03 3.55
23 5-81 101.34 3.62
24 5.27 106.61 3.68
75 5.22 111.83 3-73
7 4.63 137.28 3-02
an 4.36 161.04 4.03
Ca 4.97 185.20 4.12
5> 5.10 210.54 4.21
£3 5.07 236.00 4.30
Go 4.99 261.20 4.36
65 4.98 286.09 4.40
70 5.00 311.04 4.45

Year.