A mail-order skin and body care company advertises in magazines. Magazine subscribers initiate most orders by completing and sending coupons directly to the company. The firm also takes orders by phone, answers inquiries about products, and handles payments and cancellations of orders. Products that have been ordered are sent either directly to the customer or to the company’s regional offices that handle the required distribution. The mail-order company has three basic data files, which contain customer mailing information, product inventory information, and billing information based on invoice number. During the next few years, the company expects to become a multi-million-dollar operation. Recognizing the need to computerize much of the mail-order business, the company has begun the process by calling you.

Draw a context diagram and at least two levels of DFDs for the preceding operations.

  • CreatedDecember 19, 2014
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