COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Fiscal Seven Months Seven Months Twelve Months Year Ended Ended Ended Ended June 30, January 31, January 31, January 31, 1994 1994 1995 1995 ----------- ------------ ------------ ------------- (Unaudited) (Unaudited) Earnings, as defined: Net income $1,541,877 $ 990,146 $3,982,014 $4,533,764 Fixed charges, as below 1,546,240 834,722 1,413,636 2,125,153 ---------- ---------- ---------- ---------- Total earnings, as defined $3,088,117 $1,824,868 $5,395,650 $6,658,917 ========== ========== ========== ========== Fixed charges, as defined: Interest expense $1,546,240 $ 834,722 $1,413,636 $2,125,153 ---------- ---------- ---------- ---------- Total fixed charges, as defined $1,546,240 $ 834,722 $1,413,636 $2,125,153 ========== ========== ========== ========== Ratio of earnings to fixed charges 2.00 2.19 3.82 3.13 ========== ========== ========== ========== (RESTUBBED TABLE CONTINUED FROM ABOVE) Year Ended January 31, April 30, 1996 1997 1998 1998 -------------------------------------- --------------- Earnings, as defined: Net income $4,937,809 $12,900,095 $19,763,795 $ 486,999 Fixed charges, as defined below 4,517,576 6,852,612 12,390,622 3,563,598 ---------- ----------- ----------- ---------- Total earnings, as defined $9,455,385 $19,752,707 $32,154,417 $4,050,597 ========== =========== =========== ========== Fixed charges, as defined: Interest expense $4,157,576 $ 6,852,612 $12,390,622 $3,566,005 Amortization of bond premium -- -- -- (2,407) ---------- ----------- ----------- ---------- Total fixed charges, as defined $4,157,576 $ 6,852,612 $12,390,622 $3,563,598 ========== =========== =========== ========== Ratio of earnings to fixed charges 2.19 2.88 2.60 1.14 ========== =========== =========== ==========