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Defining Entities and Data Modeling—Sales Order Procedures

Sales Procedures

Customer Lotus Tea Importer Company places an order with a sales representative by phone or fax. The sales department employee then transcribes the customer order into a standard sales order format and produces the following documents: three copies of sales orders, a stock release document, a shipping notice, and a packing slip. The accounting department receives a copy of the sales order, the warehouse receives the stock release and a copy of the sales order, and the shipping department receives a shipping notice and packing slip. The sales clerk files a copy of the sales order in the department.
Upon receipt of the sales order, the accounting department clerk prepares a customer invoice by adding prices to the sales order, which she obtains from the official price list. She then sends the invoice to the customer. Using data from the sales order the clerk then records the sale in the sales journal and in the AR subsidiary ledger. At the end of the day the clerk prepares a sales journal voucher, which she sends to the general ledger department for posting to the sales and AR control accounts.
The warehouse receives a copy of the sales order and stock release document. A warehouse employee picks the product and sends it to the shipping department along with the stock release document. A warehouse clerk then updates the inventory records to reflect the reduction of inventory on hand. At the end of the day the clerk prepares a hard-copy inventory account summary and sends it to the general ledger department for posting to the inventory control and cost of goods sold accounts.
Upon receipt of the stock release document from the warehouse, the shipping clerk prepares the two copies of a bill of lading. The BOLs and the packing slip are sent with the product to the carrier. The clerk then files the stock release in the department.
Cash Receipts Procedure

The mail room has five employees who open mail and sort the checks from the remittance advices. The remittance advices are sent to the accounting department where the accounting clerk updates the customer AR subsidiary ledger to reflect the reduction in accounts receivable. At the end of the day, the clerk prepares an account summery and sends it to the general ledger department for posting.
The mail room clerk sends the checks to the cash receipts department, where a clerk endorses each check with the words “For Deposit Only.” Next, the clerk records the cash receipts in the cash receipts journal. Finally, the clerk prepares a deposit slip and sends it and the checks to the bank.

Required:

Assume that the manual system described is to be automated using a relational database system. Perform the following tasks. You may need to make assumptions about how certain automated activities will be performed.

a. List all candidate entities in the procedures described.

b. Identify the valid entities and explain why the rejected entities should not be modeled.

c. Create a data model of the process showing entity associations.

d. Create a fully attributed model by adding primary keys, foreign keys, and data attributes. Normalize the model.

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Microtech Incorporated has decided to package its cell phone in a smaller, recyclable package. Additionally, the company will discontinue the practice of shipping each phone with a 250-page user manual and instead will make the manual available online. These changes will result in a lighter, but more difficult package for shippers to handle. The weight of each packaged phone has dropped from 1.2 pounds to 0.5 pounds as a result of these changes and the freight classification has worsened from 55 to 70. Use Table 15.2 to calculate the difference in Microtech’s monthly shipping charges if the company ships 10,000 phones per month.

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Whether Amazon.com is a model for the future of retailing based on the example below

Service Sector Growth occurs when advances in technology creates new demands for a variety of services. (Bordoloi, Fitzsimmons & Fitzsimmons, 2019). Amazon has experienced this growth by focusing continually on customer satisfaction. With all the advances in technology they could go high tech, however they have chosen to keep the website user friendly to connect with the changing customer demographics. They utilize technology to personalize the on-line shopping experience. Based on past purchases, other items are recommended. Also, collaborative filtering software determines what is popular with individuals that purchase similar items. Repeat customers are greeted by name when they log on to the website which creates a personalized approach to shopping. It’s similar to data mining that utilizes patterns and relationships to make predictions. Retailers do this to predict buying trends, increase customer base and prevent customer attrition. Its objective is to develop new marketing opportunities. Data mining detects which items or offers are the most attractive to customers. (Deveaux, Sharpe & Velleman, 2019). Amazon has become the Internet of Things on Shopping. Amazon is a true leader in innovation, pioneering Amazon Web Services that provides cloud technology for brick and mortar businesses.

A key factor in Amazon’s success is their devotion to the customer that drives brand loyalty. The approach started with a single product, books; then new products were introduced such as electronics, software, music clothing etc. The personalized customer service and online network are a win-win. This loyal customer base helps to expand their reach, encouraging the community network to share feedback and post reviews.

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You work for EZOffice, a manufacturer of office furniture such as desks, tables and chairs.

The company maintains a blog that is used for the following:

  1. discuss topics pertinent to the industry
  2. notify people of new products
  3. alert customers to product recalls
  4. provide general safety information

The company is about to launch a new product called the Comfyzoomer. This is a new desk chair specifically designed for people who spend long hours in front of a computer. It has been ergonomically designed, with the help of occupational therapists, to reduce back and neck strain. The chair upholstery is made from recycled materials. The frame is made from bamboo which has an overall low environmental impact. It has been priced very competitively with other premium office chairs.

Write an appropriate blog posting, for the company site, that introduces this new product.

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