Compare and contrast work breakdown schedule (WBS) and Phase Diagram in terms of appropriateness and effectiveness for the Vector Cal navigation system. Determine which method best serves Vector Cal's needs. Provide a rationale for your response. Suggest two to three (2-3) other methods that Vector Cal could use to obtain labor cost data in an accurate fashion in addition to WBS and Phase Diagram. Predict the manner in which Vector Cal could use these methods to decrease the amount of government funds needed.