What are you looking for? Try this one:
Select T0.CardCode,T0.CardName,T9.ItmsGrpNam,
T1.ItemCode, Max(T1.Dscription) 'Item name',
SUM(T1.Price * T1.Quantity) AS Offered,SUM(T7.Price * T7.Quantity) AS Sold
From OQUT T0 inner join QUT1 T1 On T1.DocEntry=T0.DocEntry
JOIN OITM T2 ON T2.ItemCode=T1.ItemCode
JOIN OITB T9 ON T9.ItmsGrpCod=T2.ItmsGrpCod
left join RDR1 T3 on (T1.TrgetEntry=T3.DocEntry and T1.TargetType=17 and T3.BaseLine=T1.LineNum)
left join ORDR T4 on T4.DocEntry=T3.DocEntry
left join DLN1 T5 on T3.TrgetEntry=T5.DocEntry and T3.TargetType=15 and T5.BaseLine=T3.LineNum
left join ODLN T6 on T6.DocEntry=T5.DocEntry
left join INV1 T7 on (T5.TrgetEntry=T7.DocEntry and T5.TargetType=13 and T7.BaseLine=T5.LineNum)
Left join OINV T8 on T8.DocEntry=T7.DocEntry
GROUP BY T0.CardCode,T0.CardName,T9.ItmsGrpNam,T1.ItemCode