1. Ceate a CD (class diagram) from above use case diagram cashier supermarket and make the SD (sequence diagram) as well. In SD must have: a. TOA b. One of the Branches and Loop Operators c. One of the Concurrency and Order Operators d. One of Filters and Assertions 2. Explain about the concept of design patterns in Sequence Diagram, especially for Transfer Object Assembler (TOA)? Note: Sequence Diagram (explain a-d).