Category: Business

REQUIREMENTS:  Develop a logical process model corresponding to the narrative below including context level, level-0, and level-1 DFD  Identify 3 pieces of missing information in a separate list. Consider missing logic, miracles, black holes, and grey holes. Limit listing infinite sinks and sources, read-only and write-only data stores to a maximum of 1.  Do not make any assumptions. L’Autre Choix Mini Marche1 is a small, quaint, independently run organic grocery store in Westmount. The following is a description of two of the subsystems. Subsystem 1: Process customer’s email orders When an employee or the owner of L’Autre Choix Mini Marché receives an order from a customer by email, s/he verifies the availability of the ordered products by viewing the products in the store. As s/he locates an ordered product in the store, s/he writes it on the paper listing the products in this order. When completed, this paper is stored with all other verified orders in a pile on the owner’s desk until an employee has time to assemble the order. If, on the other hand, an ordered product is not available in the store, it is first recorded in a spreadsheet with all other unavailable products. S/he then immediately offers the customer an alternative product by viewing the products in the store. If the customer does not accept it, the employee continues to offer other alternatives until the customer either accepts it or decides not to order that product. When the customer accepts the offered alternative product, it is immediately added to the list of products in this verified order. Once an employee has time, s/he assembles the verified orders by placing the listed products in a bag. As soon as s/he completes assembling the order, s/he places the bag in another location with all other assembled orders and attaches the list of products in the verified order to the bag. S/he immediately contacts the customer, informing him/her that the order is ready for pick-up. If the customer had requested delivery, s/he would have stated it when placing the order, which would then have been included in the verified order. At the time of delivery, an employee generates a delivery list based on the verified order list attached to the assembled order and delivers both the ordered products and this new list of deliveries to the customer. The original verified order list is stored with all other completed deliveries. Subsystem 2: Process Payment When the customer confirms the total purchase amount, the cashier asks the customer for payment. Whether it is an in-store purchase, a pick-up order, or a delivery, a customer may offer to pay later on “tab”. The manager relies on her memory when deciding if the customer is reliable enough to be allowed to pay on tab. If the manager decides not to allow the customer to pay on tab, she informs the customer to proceed to an immediate payment. If, on the other hand, the manager approves it, she records the amount owed, the customer’s name, and the phone number on a piece of paper and sets it aside until the customer returns to pay the tab. When the customer returns to pay the tab, the cashier stores the payment received with all other payments, and removes the paper from the customer tabs pile. S/he then immediately generates a receipt and gives it to the customer. If the customer pays immediately, either in store, at the time of pick-up, or delivery, the cashier generates a receipt and gives it to the customer. If it is a payment for a delivery, the original “verified order” list that was stored with all other completed delivery lists is now discarded.Attached

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