1) Which business rules implement segregation of duties? Classify them as obligatory, prohibited or allowed as discussed.

2) Describe the types of business that would employ a similar diagram for their purchases and payment process. What other options are there? Describe some businesses that would use other options for their purchases and payment process.

Refer to this website for the diagram (http://slideplayer.com/slide/5298715/ ) then go to slide 9

3) Sunset Graphics often buys inventory after receiving a sales order from the customer. Suppose you are asked (no need to) to prepare one UML class diagram that combines both the sales and collection process and the purchases and payments process.

What would be shared among those process? What would be unique to each process ? why ?