For each of the following business rules, apply and draw the correct REA model. (a) Each purchasing

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Question:

For each of the following business rules, apply and draw the correct REA model.

(a) Each purchasing officer must be linked to one or more requisition orders and each requisition order must be linked to one and only one purchasing officer. Each requisition is also linked to one and only one vendor.

(b) Each metal part must be linked to one or more Receive metal part event and each Receive metal part event must be linked to one or more metal part. Each receiving clerk may not be linked to any Receive metal part event but could be linked to more than one Receive metal part event.

(c) The customer quotation event may not be linked to any customer sales order event but it can only be linked to one and only one sales order event. The customer sales order event may not be linked to any customer quotation event but may be linked to more than one customer quotation event. The sales executive may not be linked to any customer quotations or customer sales order events but could be linked to more than one customer quotation or customer sales order events. Customer quotations must be linked to one and only one sales executive. Customer sales order must be linked to one and only one sales executive.

(d) Each metal part may not be linked to any sales order event but it could be linked to more than one sales order event. Each sales order must be linked to one or more metal parts.