REA Rules Exercise 1. Describe the business rule as shown in the cardinality shown below: Take Customer Order Sales Ans: 2. Draw the relationship between the Sale and Receive Cash events at a convenience store Ans: (Diagram) 3. Draw the Take Customer Order-Sale relationship in a situation when occasionally several shipments are required to fill an order because some items were out of stock. Ans: (Diagram) REA Rules Exercise 1. Describe the business rule as shown in the cardinality shown below: Take Customer Order Sales Ans: 2. Draw the relationship between the Sale and Receive Cash events at a convenience store Ans: (Diagram) 3. Draw the Take Customer Order-Sale relationship in a situation when occasionally several shipments are required to fill an order because some items were out of stock. Ans: (Diagram)