Exhibit 16.2 SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996 BALANCE AT ADDITIONS BEGINNING CHARGED TO BALANCE AT OF YEAR EXPENSE DEDUCTIONS* END OF YEAR ALLOWANCE FOR DOUBTFUL ACCOUNTS RECEIVABLE 1998 40,000 185,000 140,000 85,000 1997 - 54,000 14,000 40,000 1996 - VALUATION ALLOWANCE ON DEFERRED TAX ASSETS 1998 812,000 1,067,000 - 1,879,000 1997 - 812,000 - 812,000 1996 - - - - *Deductions represent amounts written off against the allowance, net of recoveries.