Help to solve this case study question answer : Need Proper Explanation and conceptual and theoretical based off project manner perspectives give answer following question based off question study.

a) What are some of the challenges facing supervisors? b) What skills do you think the supervisors need to be effective project managers? Why do they need these skills? c) Are there skills that team members need to be effective team members in a project? If so, what are these skills? d) Which characteristic or skill do you think is the most significant characteristic of an effective project manager? e) What steps could project managers take to help make their teams more effective? f) What advice would you give Samantha about setting up a project management office? What roles could these staff perform, and how could they interact with the existing projects? g) Can you describe other ways that this PMO function could be organized

I Attached case study in this Link: https://www.pmi.org/-/media/pmi/documents/public/pdf/learning/academic-research/academic-pm-case-studies/mini-case-1-global-green-books.pdf?v=96a7e5de-6a95-4e20-a16a-03915db110fd&rev=87d2889f7b464b6483b1e3dd5734f600