Many factors will influence the decision to evolve the legacy software system which is developed long time ago and serviced for a significant amount of time. A. Enumerate these factors B. 1- Explain the two methods used to maintain and evolve legacy software systems 2- Decide which one out of these two you will pick and justify the reason behind your choice. Question 3. 1- There are many options in reverse Engineering to evolve legacy system. Write down these options. 2- Explain the reason behind replacing the whole system or part of a system instead of keep maintaining the software? Question 4. Explain two methods to get the instruction pointer on x64. At least one of the methods must use RIP addressing. Support your answer by using one of the codes you used in the class.