EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Nine Months Ended September 30 Years Ended December 31, -------------------------------------------------------------------------------------------------------- 1996 1995 1994 1993 1992 1991 -------------------------------------------------------------------------------------------------------- Income (loss) before income taxes and after minority interest $1,458,129 $77,447 $1,986,488 $1,976,231 $1,225,874 ($307,051) Add fixed charges: Interest expense 1,406,073 1,265,227 666,141 599,238 643,023 473,598 Amortization of debt service 56,300 100,200 140,600 93,150 185,209 42,839 Rental expense 122,500 163,333 149,667 105,333 46,000 -------------------------------------------------------------------------------------------------------- Total fixed charges 1,584,873 1,528,760 956,408 797,721 874,232 516,437 -------------------------------------------------------------------------------------------------------- Income (loss) as adjusted $3,043,002 $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 1.92 1.05 3.08 3.48 2.40 fixed charges