system analysis and design

Question 3 (5 marks) When a customer places an order, the credit should be checked first. The order will be rejected if customer credit is bad. Customers may get some discounts if the credit is good. Customers who order more than V1,000 are entitled to a 5% discounts, and an additional 85 refund if they use Alipay. Customers who do not order more than 1000 receive a 110 refund. a. Complete decision table: (initial version). Question 4 (5 marks) Draw functional primitive described by the decision table in question 3 . Ensure you reflect the following three points: A single process with an appropriate name and number Appropriate input dataflow(s) Appropriate output dataflow(s) 7 9 Question 5 (5 marks) Write structured English described by the decision table in question 3. Kevin's Computer repair shop. A technician discusses the problems the customer is having with their computer and then performs diagnostics to determine the trouble. The technician prepares a quote to undertake the repairs and to install any necessary or requested software. After discussing the quote with the customer and gaining authorization to proceed, the technician then performs all of the tasks necessary to repair the computer, installs the software requested by the customer, records the reason for the repair, the total cost of all parts used and software installed on a Shop Repair Order. Information on labor, parts used and software installed is used for billing by the Accounting Department, parts used and software installed by the inventory management computer system and a performance review by the supervisor. \begin{tabular}{|l|} \hline Marks \\ \hline \\ \hline \end{tabular} Question 7 (5 Marks) Draw a Context diagram below for the Kevin's Computer repair shop. Question 8 (10 Marks) Draw a diagram 0 DFD below for the Kevin's Computer repair shop, which incorporates only the functionality included in the case study