Schedule Feasibility Asks the Following Question(s)

Schedule feasibility asks the following question(s) :

A) Is the solution technically practical? Does the staff have the technical expertise to design and build the system?
B) Will the solution fulfill the users' requirements? To what degree? How will the solution change the users' work environment?
C) Is the solution cost-effective?
D) Can the solution be designed and implemented within an acceptable time period?
E) none of these