project management

 1)In your opinion, was the railway approach the best approach to have been selected?  Support your rationale using PV, NPV, IRR, B/C. (1 page) 

2) 

Using a table / bullets, list at least 10 individual risks ranked by severity andproject phase (i.e. pre-construction & post-construction). (1 page)

please make sure it should be detailed explained and justified your answer and it should have atleast 6-10 points