Paige runs a small frozen yogurt shop. She buys several flavors of frozen yogurt mix from her yogurt supplier. She buys plastic cups in several sizes from another supplier. She buys cones from a third supplier. Suppliers are recorded before items are purchased from them. She counts yogurt and cones as inventory, but she treats the cup as an operating expense and doesnt track any cup inventory.

Required:

1. Consider the narrative above, use Inventory, Purchases, and Suppliers as classes, identify associations, and draw a class diagram with multiplicities.
2. Explain each pair of multiplicities.
3. List a set of relational tables corresponding to your class diagram. Make up four fields for each table. Identify the primary key for each table.