Tom and Jerry are systems analysts who have been assigned to a new systems development project. They are meeting to plan the requirements analysis phase of the project. Tom believes that problem analysis is the best strategy for the project, while Jerry supports using duration analysis.  

a. Under what circumstances is problem analysis the most preferred analysis strategy?

b. Under what circumstances is duration analysis the most preferred analysis strategy?

c. Do these two techniques complement each other in any way? Could be both be used in a project? Explain.