1a. Based on the participation of Customer and Ordering Buys, what can you conclude

b Base on the cardinality of Supplies, what can you conclude?(8marks)

c Mention one alternate key for Supplier(5 marks).

1. Given the following conceptual representation: order No date totalAmount tax firstName Street City lastName state zip custName custAdd creditLimit Order custid . deliver To Address zip street state city deliverTo Phone areaCode Buys M Customer Phone Contains Quantity number areaCode number N unitCost reorder Point M N Supplier Supplies Item qtyOnHand supplier No contactName Item No Item Name unitPrice supAdd supName street Zip/ country Phone city postal Code state countryCode areaCode number