>Sum(invitempost.qtyord * invitempost.unitpr) As [Ext_Price] >> Try either
>Sum(ROUND(invitempost.qtyord * invitempost.unitpr,2)) As [Ext_Price] >>Or
>ROUND(Sum(invitempost.qtyord * invitempost.unitpr),2) As [Ext_Price] >>Whichever is more appropriate...