Update LPP Conditions:
1. Find max (STKCARD. SCDSTKDAT) of item and site
2. Update Net cost into column STKCARD.SCDLPP
3. Set SCDBALAMT = SCDBALQTY * SCDLPP (new value)
4. Set SCDLPPREFNO = ‘LPP Consignment’
5. If no item and site in STKCARD update nothing.