Please read the case description below and develop a work context diagram. You can assume that this description was provided to you to enable KPJ to build a potential e-commerce system to replace its current physical catalog based business

KPJ International is a well established catalog based clothes merchant. KPJ has a large base of customers who regularly buy their products. The KPJ clientele is restricted to the subscribers who pay an annual subscription fee and have access to KPJs special low price catalogs. KPJ brings out 4 catalogs every year, corresponding to the four seasons. At the beginning of each of these quarters, KPJ sends out the catalogs to each of their subscribers by the postal system. The customers who are interested in buying any product from the catalog can do so by filling in an order form and mailing it in to KPJ. Any customer order is processed by the sales department. When an order is received the sales department checks the customers credit details. (All customers are existing subscribers and their credit details are maintained within the organization. The accounts department within the organization is in charge of maintaining the credit details and updates the credit rating database on a regular basis. The accounts department maintains an updated credit rating of the customer by regularly getting the customers credit history checked by external credit rating agencies. Each customers credit is evaluated at the end of the fiscal year). If the credit rating of the customer is approved, a validated order is sent to the warehouse. The warehouse subsequently dispatches the goods to the customer. The customer is billed at the end for all products they have bought for a quarter, at the end of the quarter. If on the other hand the customers credit rating is not adequate, the order is rejected by the sales specialist. In addition, the sales department notifies the customer service department about the customers low credit ratings.

KPJs subscribers are expected to renew their membership annually to keep receiving he discount catalogs. A subscriber needs to call in using the toll free customer service number (available in each catalog) to renew their subscription. When the subscriber calls in, the calls are taken by the customer service (CS) specialists. For each call, the CS specialist receives the subscribers identification details and checks it against the subscriber database. If a match is found, the subscribers credit rating is checked. If the credit rating is below a threshold, the renewal request is rejected. If on the other hand if the subscribers credit rating is good, the customers subscription record is updated in the subscriber database and a renewal member ship card is sent to the subscriber by post. When an individual comes in to initiate subscription, they also call in using the same customer service number. When receiving such a call, the CS specialist takes in the customers personal details and informs him/her that a notice would be sent after a credit check. The credit check is then initiated with the accounts department. If the credit check reveals a good credit rating, the new subscribers application is approved, a new entry created in the subscribers database, and the membership details sent by post. If the subscribers application is rejected due to poor credit rating, the same information is also sent through by post.

1. Create a Use Case Diagram

2. Create an Activity Diagram