Any corporation has a set of levels and a tier of leadership that goes from the lower level employees to the higher level management team. Typically, different levels/roles have distinct responsibilities and the nature of work always varies. The dignity pattern can easily be applied to such a corporate culture where different roles have different levels of dignity.

a. Draw a class diagram based on the dignity pattern to show the application of corporate environment.

b. Document a detailed and significant use case as shown in Case Study 1.

c. Create a sequence diagram of the created use case of b.