File:Bell telephone magazine (1922) (14756391815).jpg

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Identifier: belltelephonemag08amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
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92219231924192519261927 50.54 5 55.599 61,159 67.275 74,0 0 3 61,403 89.543 96,497 108.347 1 1 9,1 82 131,100 144.21 0 158,631 174,494 UNITCOSTS 2 $1.00.901.101.601.801.651.401.601.301.251.351.401.551.50 TOTAL COST 3 NUMBERlOF UNITS $50,54550,03967,275107,640133,205134.31 512 5.360157.595140.651148,978176,985201,894245,878261.741 20.82623.1 1 025,53928,16331.01034.11 2 3 7,523 4 1.27345.40449,94254,93560,4296 6,47573,120 UNIT COSTS 5 $1.001.001.001.001.001.001.001.331.371.361.341.351.351.38 TOTALCOST $20,82623,11025,53928.1633 1,01034.1123 7,52354,89362,20367,92173,61381.57989,741100,906 TOTAL COST ACCUMULATED FROM 1926 NUMBEROF UNITS $ 602,491568,379530.856475,963413.760345.839272,226190,647100,906 292,982322,70135S.I 903 9 0,810429,922472,91 5520,206572,226629,450692,393761.633837,798921,5791j013,7351,1 1 5.1 09 TOTAL COST 9 $292,982 322.701 349,630 391,366 470,843 573,038 673,241 761.078 863,780 942,428 1,023,485 1,126.857 1,247,172 1/403,309 1.564,144 APPUCATION OF TURNOVER METHOD
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1000 ° IGROWTH-0.9-«(0.2; -SAME ADJUSTED FOR CHANGES IN COST LEVEL 9.1 YR5. SAME FURTHER ADJUSTED FOR GROWTH 10 YRS. Fig. 10(278) Straight-Line Depreciation Accounting Practice c Growth, positive or inverse, in the total plant of the givenclass during and preceding the period studied, whichdisturbs the mortality ratio. When retirements arestudied, for example, positive growth introduces thecondition that some of low age mortalities of theadded plant which produces the growth enter theresults as a disturbing element. d Purchases and sales of telephone plant from one companyto another. These transactions operate like suddengrowth. None of these difficulties is insuperable. Thechanges in the characteristics of plant may be fairlywell recognized. The changes in the value of moneycan be compensated by placing the study upon an in-dex number basis. Suitable methods have been de-veloped to make allowance for the effect upon the turn-over period of such growth as may have taken place. The t

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8
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27 July 2014

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