Using the Case Study entitled $-$Clark Faucet Company on page $7$ in the Project Management Case Studies $-6$th edition $-$ What do you feel is their critical issue and what can be done about it$?$ Should a single methodology for project management have a process for the prioritization of projects or should some committee external to the methodology accomplish this? What are the benefits?

Section $2$:

What are the benefits of a waterfall methodology and when should it be used?

Agile has $12$ principles, choose two and provided a detailed analysis of the principle and also correlate both principles to the manifesto.