1 EXHIBIT 12-27 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED AND PREFERENCE STOCK DIVIDEND REQUIREMENTS Year Ended December 31 ------------------------------------------------ 1994 1993 1992 ------ ------ ------ (Thousands, except for ratio and percent) Net income . . . . . . . . . . . . . . . . . . . . . . . . . . $ 419,909 $ 521,903 $ 588,047 ---------- ---------- ---------- Taxes based on income: Current income taxes . . . . . . . . . . . . . . . . . . . . 169,381 217,363 179,047 Deferred taxes - net . . . . . . . . . . . . . . . . . . . . 110,243 99,801 148,947 Investment tax credit adjustments - net . . . . . . . . . . (12,826) (14,227) (16,768) Municipal and state . . . . . . . . . . . . . . . . . . . . 2,566 3,373 3,353 ---------- ---------- ---------- Total taxes based on income . . . . . . . . . . . . . . . 269,364 306,310 314,579 ---------- ---------- ---------- Fixed charges: Interest on long-term debt . . . . . . . . . . . . . . . . . 273,763 325,194 388,580 Amortization of debt discount, premium and expense . . . . . . . . . . . . . . . . . . . . . . . 10,832 9,114 3,952 Other interest . . . . . . . . . . . . . . . . . . . . . . . 11,170 4,928 5,169 Interest factor of rents . . . . . . . . . . . . . . . . . . 28,000 29,200 34,400 ---------- ---------- ---------- Total fixed charges . . . . . . . . . . . . . . . . . . . 323,765 368,436 432,101 ---------- ---------- ---------- Earnings before taxes based on income and fixed charges . . . . . . . . . . . . . . . . . . . . . $1,013,038 $1,196,649 $1,334,727 ========== ========== ========== Preferred and preference stock dividend requirements . . . . . . . . . . . . . . . . . . . $ 29,640 $ 30,837 $ 30,498 Dividends meeting requirement of IRC Section 247 . . . . . . . . . . . . . . . . . . . . . . 3,870 4,383 4,651 Percent deductible for income tax purposes . . . . . . . . . . 40.00% 40.00% 41.18% Amount deductible . . . . . . . . . . . . . . . . . . . . . . . 1,548 1,753 1,915 Amount not deductible . . . . . . . . . . . . . . . . . . . . . 28,092 29,084 28,583 Ratio of pretax income to net income . . . . . . . . . . . . . 1.64 1.58 1.53 Dividend factor for amount not deductible . . . . . . . . . . . 46,071 45,953 43,732 Amount deductible . . . . . . . . . . . . . . . . . . . . . . . 1,548 1,753 1,915 ---------- ---------- ---------- Total preferred and preference stock dividend factor . . . . . . . . . . . . . . . . . . . . . 47,619 47,706 45,647 Total fixed charges . . . . . . . . . . . . . . . . . . . . 323,765 368,436 432,101 ---------- ---------- ---------- Total fixed charges and preferred and preference stock dividends . . . . . . . . . . . . . . . $ 371,384 $ 416,142 $ 477,748 ========== ========== ========== Ratio of earnings to fixed charges and preferred and preference stock dividend requirements . . . . . . . . . . . . . . . . . . . 2.73 2.88 2.79 63