Quality Systems Inc., Tustin, reported net earnings...

Quality Systems Inc., Tustin, reported net earnings of $20,500 for its fiscal third quarter ended Dec. 31, 1988, contrasted with a loss for the period a year ago of $400,300. Revenue declined 3% to $2.25 million from $2.3 million. Net earnings for the 9-month period totaled $80,100; the company reported a loss of $78,200 for the period last year. Revenue dropped 10% to $6.8 million from $7.5 million. The company sells computerized information processing systems to medical and dental group practices. It said reductions in unit sales prices were the primary reason for the revenue decrease.