Explanation
When there are only few criteria involved, it's often easiest and most direct to focus on the differences of the solutions.
Answer B is incorrect. The commonalities of the solutions won't expose the weaknesses, strengths, and values
between the solutions.
Answer A is incorrect. The life cycle costs may be considered, but there are other elements that can be
considered too.
Answer D is incorrect. The implementation cost of the solution is usually considered, but it's the business
value of the solutions that the business analyst should actually focus on.