Looking for answers to problem 8 and 9

PROBLEM 8:EXPLAIN WHAT HAPPENED IN THE RELATIONSHIP MAP BUSINESS PARTNERS VENDOR( CLASSNUMBER): GOODS RECEIPT PO FOODS RETURNED RECEIVED 100 units 10 UNITS PURCHASE ORDER INVENTORY(CN): 100 UNITS A/P INVOICE PURCHASE ORDER INVENTORY(CN): 100 AGOODS RECEIPT PO GOODS RETURNED UNITS RECEIVED 100 units 10 UNITS Your answer PROBLEM 9: draw or present present the relationship map(do not use SAP) 15-Feb ORDERED 10 ITEMS OF AIR CONDITIONING FROM HEXAGON INC 16-Feb ORDERED ANOTHER 10 ITEMS OF AIR CONDITIONING FROM HEXAGON INC 17-Feb RECEIVED 5 ITEMS FROM THE PURCHASE ORDER LAST FEB 15. UPON INSPECTION, YOU RETURNED 1 ITEM. 18-Feb RECEIVED S ITEMS FROM THE PURCHASE ORDER LAST FEB 16. UPON INSPECTION, YOU RETURNED 1 ITEM. 19-Feb RECEIVED THE REMAINING S ITEMS FROM THE FEB 15 ORDER. 20-Feb RECEIVED THE REMAINING 5 ITEMS FROM THE FEB 16 ORDER BUT UPON INSPECTION, YOU RETURNED 1 ITEM 21-Feb HEXAGON MADE ONLY 1 INVOICE FOR ALL THE ITEMS ORDERED AND DELIVERED