EXHIBIT (12) COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDEND REQUIREMENTS 								 Twelve 								Months Ended 							 March 31, 1998 Income before provision for income taxes and fixed charges (Note A) 	 					 $ 55,741,399 Fixed charges: Interest on first mortgage bonds			 $ 15,701,389 Amortization of debt discount and expense less premium 888,744 Interest on short-term debt 1,419,770 Other interest 321,256 Rental expense representative of an interest factor (Note B) 156,662 Total fixed charges 						 18,487,821 Preferred stock dividend requirements: Preferred stock dividend requirements not deductible for tax purposes							 2,338,304 Ratio of income before provision for incomes taxes to net income	 1.552 Nondeductible dividend requirements				 3,629,048 Deductible dividends						 78,036 Total preferred stock dividend requirements			 3,707,084 Total combined fixed charges and preferred stock dividend requirements						 $ 22,194,905 Ratio of earnings to fixed charges				 3.02x Ratio of earnings to combined fixed charges and preferred stock dividend requirements				 	 	 2.51x NOTE A:	For the purpose of determining earnings in the calculation of the ratio, net income has been increased by the provision for income taxes, non-operating income taxes and by the sum of fixed charges as shown above. NOTE B:	One-third of rental expense (which approximates the interest factor).