Question 1 (6 marks] Parnas advocates faking a rational design process as depicted in the figure below. The faked documentation follows these steps: Requirements (SRS) Design (MG and MIS) Application Implementation (code) + Verification and Validation (Unit Testing, Integration Testing, Review). How are the principles of a) abstraction and b) separation of concerns applied in a rational design process? In your answer you can refer to any aspects of the process, documentation, and/or Parnas's principles. Integration Testing Req. Dec Design Unit Testing S. Design Doc Review Verify) Code Application Reviews Verify [Fill in your answer belowSS a) Abstraction b) Separation of Concerns