EARNINGS

Quality Systems Inc.: The Tustin seller of computerized information processing systems to medical and dental group practices reported net earnings of $84,000, or 2 cents a share, for the first quarter of fiscal 1992, down 26% from the $113,300, or 3 cents a share, posted for the similar period last year. Revenue for the quarter ended June 30 declined 12%, to $2.9 million from $3.3 million.