I.87-11-033 et al. COM/cacd Page E-37 The Volcano Telephone Company Adopted Rates and Charges Incremental Revenue Needed from Se $1,321,733 Incremental Revenue Earned From Se $67,043 % Increase to Service Connection C 86.62% Factor Increase: 1.86620 EST.'91 PRESENT PRESENT ADOPTED ADOPTED CHARGE ANNUAL PERCENT SERVICE CHARGES UNITS CHARGE TOTAL CHARGE TOTAL DIFF DIFF DIFF (a) (b) (c) (d) (e) (f) (g) (h) NEW SERVICE 1,789 $9.00 $16,101 $16.75 $29,966 7.75 13,865 86.11% MOVE AND CHANGE 163 7.00 1,141 13.00 2,119 6.00 978 85.71% CENTRAL OFFICE WORK 1,800 15.00 27,000 28.00 50,400 13.00 23,400 86.67% PREMISE VISIT 481 40.00 19,240 74.75 35,955 34.75 16,715 86.88% RECONNECT 1,151 12.00 13,812 22.50 25,898 10.50 12,086 87.50% 5,384 77,294 144,337 67,043 Incremental Revenue Requirement to be recovered from CHCF: $1,254,690 I.87-11-033 et al. COM/cacd Page E-36 The Volcano Telephone Company Adopted Rates and Charges Incremental Revenue Requ $1,794,830 Incremental Revenue Earn $473,097 % Increase to Basic Rate 34.42% Factor Increase: 1.34422 EST.'91 MO AVG PRESENT PRESENT ADOPTED ADOPTED RATE ANNUAL PERCENT LOCAL EXCHANGE UNITS MO RATE YR TOTAL MO RATE YR TOTAL DIFF DIFF DIFF (a) (b) (c) (d) (e) (f) (g) (h) RESIDENCE 1-PARTY--flat 6,896 $12.55 $1,038,538 $16.85 $1,394,371 $4.30 $355,834 34.26% BUSINESS 1-PARTY flat P/V 960 22.85 263,232 30.70 353,664 7.85 90,432 34.35% 1-PARTY flat WP 223 21.45 57,400 28.85 77,203 7.40 19,802 34.50% 1-PARTY flat KM 72 23.05 19,915 31.00 26,784 7.95 6,869 34.49% SEMI-PUBLIC COIN P/V 0 19.15 0 25.75 0 6.60 0 34.46% SEMI-PUBLIC COIN WP 1 21.70 260 29.15 350 7.45 89 34.33% SEMI-PUBLIC COIN KM 1 17.10 205 23.00 276 5.90 71 34.50% FEX----INCREMENT RESIDENCE 1-PARTY--flat 0 2.60 0 3.50 0 0.90 0 34.62% SUBURBAN--flat 0 2.05 0 2.75 0 0.70 0 34.15% BUSINESS 1-PARTY--flat 0 5.15 0 6.90 0 1.75 0 33.98% TOTAL 8,153 $1,379,551 $1,852,648 $473,097 Incremental Rev. Req. To Be Recovered From Service Connection Charges: 1,321,733