Draw an ERD using following information.
   

1. Identifying Entities: Customers, Pool Cleaning Companies, Workers, Services, Payments, and Messages. 2. Defining Attributes: 1. Customers: Name: The customer's full name. - Contact Information: Phone number, email address, and physical address. - Account ID: A unique identifier for the customer. - Payment Method: The customer's preferred payment method (e.g., credit card, PayPal). - Membership Status: Indicates whether the customer is a regular or premium member. - Service History: A record of the services the customer has booked in the past. - Preferences: Customer preferences, such as preferred service schedule or specific service requests. 2. Pool Cleaning Companies: - Company Name: The name of the pool cleaning company. - Contact Information: Phone number, email address, and physical address. - License Number: The company's license or certification number. - Services Offered: A list of the pool cleaning services provided by the company. - Ratings and Reviews: Customer feedback and ratings for the company's services. - Service Areas: Geographical areas where the company operates. - Pricing Structure: Information about pricing, including hourly rates or package deals. 3. Workers: Name: The worker's full name. - Employee ID: A unique identifier for the worker within the pool cleaning company. - Contact Information: Phone number and email address. - - Schedule: The worker's availability and work schedule. - Certifications: Any relevant certifications or training received. - Service Expertise: The worker's specialization or skills in specific pool cleaning tasks. - Performance Metrics: Metrics such as completion time, customer satisfaction scores, and service quality. 4. Services: Service Type: The type of pool cleaning service offered (e.g., regular maintenance, pool opening/closing). - Description: A brief description of the service and what it includes. - Duration: The estimated time required to complete the service. - Price: The cost of the service. - - Equipment Needed: Any specialized equipment required for the service. - Availability: Service availability dates and times. - Service Notes: Additional information or special instructions for the service.