business case

Project Description:

hi there. i had posted this projects many days ago and the result i got i could not follow, in addition to finding some wrong answers. i was wondering if you could help me with this project. i have attached the actual business case with 5 questions and the results i got from the last expert. i am not sure on question 2 where the npr1, 2, etc. answers came from so calculations and notes would be helpful for me. some of the answers i had previously i can't quite understand even (too many typos?).
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Project Stats:

Price Type: Fixed

Project Budget: $50 to $100
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