[SOLUTION] Sales and Accounting System
1. Describe a fully developed use case for Receive new book in the university library system and then:o Describe (UML) Activity diagram for the Enter new patient information use caseo Develop a first-cut sequence diagram that only includes the actor and problem domain classeso Develop a design class diagram based on your solution. Be sure to include your controller class.o Add the view layer classes and the data access classes to your diagram. You may do this with two separate diagrams to make them easier to work with and read.o Explain What is the difference between designing with CRC cards and designing with sequence diagrams?o Explain the syntax of a message on a sequence diagram.o What is the purpose of the first-cut sequence diagram? What kinds of classes are included?o What is the purpose of the use case controller?2. Using RMO that is the case in your text book answer the following:Assume that RMO will begin asking a random sample of customers who order by telephone about purchases made from competitors. RMO will give customers a 15 percent discount on their current order in exchange for answering a few questions. To store and use this information, RMO will add two new classes and three new associations to the class diagram. The new classes are Competitor and ProductCategory. Competitor has a one-to-many association with ProductCategory, and the existing Customer class also has a one-to-many association with ProductCategory. Competitor has a single attribute called Name. ProductCategory has four attributes: Description, DollarAmountPurchased, MonthPurchased, and YearPurchased. Revise the relational database schema shown in Figure 12-10 to include the new classes and associations. All tables must be in 3NF.3. Read this narrative and then make a list of system capabilities and describe how the project could be developed for the company:The new direct sales and accounting system for Especially for You Jewelers will be an important element in the growth and success of the jewelry company. The direct sales portion needs to track every sale and be able to link to the inventory system for cost data to provide a daily profit and loss report. The customer database needs to be able to produce purchase histories to assist management in preparing special mailings and special sales to existing customers. Detailed credit balances and Aged accounts for each customer would help solve the problem with the high balance of accounts receivables. Special notice letters and credit history reports would help management reduce accounts receivable.
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