Draw ERD diagrams for each of the following scenarios. Use crows feet to indicate the relationship.

ERD #5 Real Estate Firm Prepare an ERD for a real estate firm that lists property for sale. The following describes the organization and necessary data: The firm has a number of sales offices in several states. Attributes of sales office include Office number and location. Each sales office is assigned one or more employees. Attributes of employee include Employee ID and Employee name. An employee must be assigned to only one sales office. For each sales office, there is always one employee assigned to manage the office. An employee may manage only the sales office to which he/she is assigned. The firm lists property for sale. Attributes of property include Property ID and location. Component of location include address, city, state, and zip code. Each unit of property must be listed with one (and only one) of the sales offices. A sales office may have any number of properties listed, or may have no properties listed. Each unit of property has one or more owners. Attributes of owners are Owner ID and owner name. An owner may own one or more units of property. An attribute of the relationship between owner and property is Percent owned.

ERD #6: Xtreme Products is a distributor of appliances and house wares. Sales representatives service customers and are paid a commission on their total sales. The commission rate varies between sales representatives. A sales representative usually services many customers but a customer is always serviced by the same sales representative. Customer place orders for one or more inventory items. Any inventory item can be on many different orders.