Accounting Information Systems 9th Edition by James Hall

Exercise 59

DEFINING ENTITIES AND DATA MODELING-FIXED ASSET PROCEDURES
The business rules that constitute the fixed asset procedures for the Safe BuyGrocery Stores chain are similar at all the store locations. The store manager at each location is responsible for identifying needed fixed assets and for selecting the vendor. Freezers, refrigerators, delivery vans, and store shelving are examples of fixed asset purchases. Once the need has been identified, each store follows the following procedures.
The manager creates a purchase order, which is sent to the supplier. The supplier delivers the asset to the receiving clerk, who prepares a receiving report. Each week, the fixed asset department clerk reviews the fixed asset receiving report summary and creates a fixed asset inventory record for each receipt. The fixed asset clerk maintains the inventory records and depreciation schedules. The vendor subsequently submits an invoice to the AP department clerk, who creates an invoice record. The clerk reconciles the invoice against the receiving report and purchase order and then creates a payment obligation to be paid at a future date, depending on the terms of trade. On the due date, a check is automatically prepared and sent to the vendor, and the payment is recorded in the check register. At the end of each day, a payment summary is sent to the AP manager for review.
Required
Assume that the manual system described is to be automated using a relational database system. Create a normalized data model for the system including primary keys, foreign keys, and data attributes that will support the tasks and user views. You may need to make assumptions about how certain automated activities will be performed.