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6 RATE BASE ESTIMATES TABLE E i I INVESTMENT BASIS 1948 1949 1950 A o Adjusted Production Facilities Adjusted Estimated p « Ao& SoLoRoRoCOo) 1 - Year-end capital (Table B) #773,151 $800,383 $810,386 2 - Deduct reserve requirement 69,918 81,318 91,791 5 - Net year-end capital $703,233 $719,065 $718,595 4 - Average net capital 711,400 718,800 5 - Working cash 2 ,0 0 0 2 , 0 0 0 6 - Material & supplies 3,0 0 0 3, 0 0 0 7 - Total Depreciated Rate Base m e r , ?£00 $723,800 8 - (a) Allocate 97.32^ to Water Utility - 1949 697, 2 0 0 (b) Allocate 98o0^ to Water Utility -1950 709,300 Bo Water Utility eg. v.L, and Wo Co.) i - Year-end capital (Table A) $554,127 $711,395 $851,000 2 - Water rights . 30,000 30,000 30,000 3 - Deductions; (a) Retirement reserve less amortized defense projects 63,463 70,330 78,030 (b) Estimated retirement re-serve for defense projects 13,853 16,170 18,487 (c) Estimated refundable construction advances 71,000 138,000 172,000 Total Deductions $148,316 $224,500 $268,517 4 . Net year-end capital 435.811 516,895 612,483 5 - Average net capital Working cash 0 «= $47160, 300 $564,700 ,0 0 0 1 0 , 0 0 0 7 - Material & supplies 5, 000 5,000 Total Depreciated Rate Base $491,300 $579,700 C. Combined Rate Bases 1949 1950 (a) Production Facilities $ 697,200 $ 709,300 (b) Water Utility 491,300 579,700 Combined Total $1,188,500 $1,289,000