Supermarket El Full sells its Cereals to customers through a network of company salespeople. Each type of cereals is bought from a particular vendor and is given an initial list price. Upon employment each salesperson assigned to service a separate group of customers and is allowed to offer them various discounts from list to induce sales. However, a manger can replace the salesperson in some cases. Each sale can include one or more types of cereals and can be paid for in any one of three ways: (1) immediately in cash, (2) on the 15th of the following month for all items purchased during the month, or (3) over the course of six months. When cash is received, a cashier deposits it into a company bank checking account. Supermarket El Full has checking accounts at several different banks. Sales are not the only source of cash. Sales are signaled by invoices, cash receipts by remittance advices.

Inventory, employees, customers and banks are added to the to the database before any transactions involving them occur.

Prepare a UML class diagram (classes, associations, and multiplicities) for the specified component of Supermarket El Full Enterprises. You need to name each association. Ignore the attributes of each class as they not given.