EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Years Ended December 31, ------------------------------------------------------------------------------------------------------- 1995 1994 1993 1992 1991 ------------------------------------------------------------------------------------------------------- Net Income (loss) before income taxes and after minority interest $77,447 $1,986,488 $1,976,231 $1,225,874 ($307,051) Add fixed charges: Interest expense 1,265,227 666,141 599,238 643,023 473,598 Amortization of debt service 100,200 140,600 93,150 185,209 42,839 Rental expense 163,333 149,667 105,333 46,000 ------------------------------------------------------------------------------------------------------- Total fixed charges 1,528,760 956,408 797,721 874,232 516,437 ------------------------------------------------------------------------------------------------------- Net income (loss) as adjusted $1,606,207 $2,942,896 $2,773,952 $2,100,106 $209,386 ======================================================================================================= Fixed charges in excess of earnings $307,051 ==================== Ratio of earnings to 1.05 3.08 3.48 2.40 fixed charges