(connection : \'DB_conn'::'TBC.tbc.SALESFACT'.'OPENINGINVENTORY')
( (connection : \'DB_conn'::'TBC.tbc.SALESFACT'.'OPENINGINVENTORY') - (connection : \'DB_conn'::'TBC.tbc.SALESFACT'.'SALES') ) * connection : \'DB_conn'::'TBC.tbc.SALESFACT'.'COGS'