SELECT
SUM(CASE
WHEN ABS(PMT_PRICE-PO_PRICE) < 50
THEN INV_LINE.PMT_PRICE ELSE 0 END) AS 'TOTAL DOLLARS WITHIN TOLERANCE'
FROM INV
JOIN INV_LINE
ON INV_LINE.INV_ID = INV.INV_ID and
INV_LINE.INV_IDB = INV.INV_IDB
where
INV_LINE.STAT <> 12
and INV.REC_UPDATE_DATE >= @LoDate
and INV.REC_UPDATE_DATE <= @HiDate
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SQL Server MVP
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