Question
Holiday Travel Vehicles sells new recreational vehicles and travel trailers. When new vehicles arrive at HTV, a
new vehicle record is created. Included in the new vehicle record are a vehicle serial number, name, model, year, manufacturer, and base cost.
When a customer arrives at Holiday Travel Vehicles, he or she works with a salesperson to negotiate a vehicle purchase. When a purchase has been agreed upon, a sales invoice is completed by the salesperson. The invoice summarizes the purchase, including full customer information, information on the trade-in vehicle (if any), the trade-in allowance, and information on the purchased vehicle. If the customer requests dealer-installed options, they are listed on the invoice as well. The invoice also summarizes the final negotiated price, plus any applicable taxes and license fees. The transaction concludes with a customer signature on the sales invoice.
a. Identify the classes described in the preceding scenario (you should find six). Create CRC cards for each class.
Customers are assigned a customer ID when they make their first purchase from Holiday Travel Vehicles. Name, address, and phone number are recorded for the customer. The trade-in vehicle is described by a serial number, make, model, and year. Dealer-installed options are described by an option code, description, and price.
b. Develop a list of attributes for each class. Place the attributes on the CRC cards.
Each invoice lists just one customer. A person does not become a customer until he or she purchases a vehicle. Over time, a customer may purchase a number of vehicles from HTV.
Each invoice must be filled out by only one salesperson. A new salesperson may not have sold any vehicles, but experiences salespeople have probably sold many vehicles.
Each invoice only lists one new vehicle. If a new vehicle in inventory has not been sold, there will be no invoice for it. Once the vehicle sells, there will be just one invoice for it.
A customer may decide to have no options added to the vehicle or may choose to add many options. An option may be listed on no invoices, or it may be listed on many invoices.
A customer may trade in no more than one vehicle on a purchase of a new vehicle. The trade-in vehicle may be sold to another customer, who later trades it in on another HTV vehicle
c. Based on the preceding business rules in force at Holiday Travel Vehicles and CRC cards, draw a class diagram and document the relationships with the appropriate mutiplicities. Remember to update the CRC cards.
Note: CRC cards can be created in Microsoft Excel and pasted into the 1 required Microsoft Word document submission. Complete every field of the CRC cards and include granular detail in the class diagrams. Sufficient detail is necessary to allow the system to be developed.
Book: https://books.google.com/books?id=rbLrBgAAQBAJ&pg=PA201&lpg=PA201&dq=holiday+travel+vehicles+sells+new+recreational+vehicles+and+travel+trailers&source=bl&ots=YI5OwYNmal&sig=C36rR_M0Seo-W7YFpcTjYMXSAO8&hl=en&sa=X&ved=0ahUKEwib8IS7-5vPAhXqzIMKHbSPBIMQ6AEITjAH#v=onepage&q=holiday%20travel%20vehicles%20sells%20new%20recreational%20vehicles%20and%20travel%20trailers&f=false
All work must be original!
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