THIS IS A DISCUSSSION BOARD. PLEASE RESPOND TO EACH QUESTION WITH A MININUM OF 250 WORDS EACH. IF CITES ARE USED PLEASE LIST IT UNDER EACH QUESTION. Week 4 What is the purpose of feasibility analysis, and what is the information that is de-sired from the results of this analysis Week 5 What is the purpose of a life-cycle cost analysis (LCCA)? When in the system life cycle can it be accomplished? What are some of the benefits derived from a LCCA. Week 6 What is a human factors analysis, and why is it necessary to conduct one at different stages throughout the system design process? Week 8 What is a system modification, and what requirements are affected when a modification is made?