Consider a fast food restaurant in which employees take orders for food from customers. The data requirements are summarized as follows:

1. The restaurant has employees, each identified by a unique employee number, first and last name.

2. Each customer of the restaurant is identified by a unique customer number, first and last name.

3. Each food item sold is identified by a unique number, a name, price, and quantity in stock.

4. Each order placed by a customer is taken by an employee and is given a unique number. Each order contains specified quantities of one or more food items. Each order has a date of receipt and order time. The actual delivery time is also recorded.

Construct an ER diagram for this application. (CLO 1)