c# visual studio! dont beed it to be perfect but just a general idea thanks!

inced Associations a. 3. Use class diagrams to model the following business needs: An order contains multiple items and sometimes may contain multiple quantities of the same item. b. A medical treatment often involves multiple procedures, with each one having a unique id and cost. Sometimes a treatment may apply the same procedure multiple times; clinics need to know the quantity in order to bill customers correctly. c. In the assembly industry, raw materials and ready-to-use parts may be used to build other parts. How would you handle the quan- tity of raw materials and parts used in the assembly? (Of course, raw materials cannot be used to make raw materials.) d. Test results, including X-ray files and various blood test indica- tors along with expert reading comments, are kept for each test performed on patients. e. A national merchandise club sells products at different prices at different locations and to different members. Where do we keep data about the prices? fo nilities that can he reserved for indi