List any assumptions you make along with the reasons

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List any assumptions you make, along with the reasons behind your assumptions (i.e., state what you think is vague in the problem, say what you are going to assume to clear up the ambiguity, and make a case for that assumption). Purchase Order Number (PO#) Sales Call ID (SC-ID) Supplier ID (SuppID) Cash Receipt ID (CR-ID) Employee ID (EmpID) Customer ID (Cust-ID) Purchase Order Date (PODate) Date of cash receipt (CR-Date) Purchase Date (PurchDate) Name of Customer (Cust-Name) Location of cash account (Ca-Loc) Total sale dollar amount (Sale-Amt) Cash Account Number (CashAcct#) Type of employee (EmpType) Name of supplier (SupName) Date of sale order (SO-Date) Receiving Report Number (RR#) Date of purchase return (PR-Date) Computer Category ID code (Cat- ID) Dollar amount of cash receipt (CR-Amt) Component ID code (CompoID) Current balance of cash account (AcctBal) Cash Disbursement Date (CD-Date) Shipping address for a customer (Cust-Ship) Name of employee (EmpName) Date of sale/shipment of computers (Ship-Date) Purchase return ID (PR-ID) Description of a computer category (Cat-Desc) Cash Disbursement Number (CD#) Computer component description (Comp-desc) Sale Order ID (SO-ID) Total dollar amount of a cash disbursement (CD-Amt) Shipment ID (Ship-ID) Standard cost for a computer component (Std-Cost) Date of sales call (SC-Date) Quantity of a computer component returned (Qty- Ret) Customer check number (CR-Chk#) Type of supplier (wholesaler or individual) (SupType) Identification number for a finished computer (CompuID) Quantity of a computer component ordered on purchase order (Qty-Ord) Proposed selling price for a type of computer on a sales call (Prop-SP) Ordered cost for a computer component on a purchase order (PO-Unit-Cost) Suggested selling price for computers [hint: by category] (List-price) Solutions Manual to accompany Dunn, Enterprise Information Systems: A Pattern Based Approach, 3e 123
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Chapter 9 Date assembly was completed for a finished computer (Assemb-Date) Quoted selling price for each item on a sale order (Ord-SP) Actual selling price for a particular finished computer (Act-SP) Quantity of a computer component received on a purchase (Qty-Rec) Actual cost of a computer component on a particular purchase (Item-Unit-Cost) Required: Create a business process level REA model (in either grammar or diagram format) for Quandrax Computers’ acquisition/payment process. Be sure to include all relevant entities, relationships, attributes, and participation cardinalities. Quandrax Acquisition Cycle Suggested REA Model in Diagram Format 124 Solutions Manual to accompany Dunn, Enterprise Information Systems: A Pattern Based Approach, 3e Emp- type Purchase Cash Disbursement Cash Wholesaler Purchase Order Purchase Return Purchasing Agent (0,N) (0,N) (1,N) (1,N) (0,1) (1,N) (0,1) (0,N) (0,N) (1,1) (1,1) (0,N) (0,1) (0,N) (1,1) (0,N) (1,1) (0,N) (0,N) (1,1) (0,1) (0,N) (1,1) (0,N) stock flow1 reser- vation duality fufill- ment1 Acct# Ca-Loc CD# Date SupID name RR# PO-ID PO-date PR-ID PR-date stock flow2 parti- cipate1 parti- cipate2 parti- cipate4 parti- cipate3 parti- cipate5 parti- cipate6 parti- cipate7 type Component Inventory CompoID descrip stdcost date AcctBal CdAmt Ord- unitcost Cashier Employee Emp-ID Emp- name Manager stock flow3 (0,N) (1,N) Qty-ord Qty-rec Unit-cost Inventory Clerk (0,N) parti- cipate8 Manager (1,1) (0,N) parti- cipate9 Inventory Clerk (0,N) parti- cipate10 Wholesaler (1,1) (1,1) P-PR Purchase (1,1) (0,?)
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