You are estimating the effort for the integration testing activities of a new project. Consider the following factors, which can affect that estimation:
I. Availability of re-usable test systems and documentation from previous, similar projects
II. Unexpected timing of components arrival
III. Stability of the integration test team (no turnover)
IV. Many and geographically distributed sub-teams
Which of the following statements is true?
A. I and II can negatively affect the estimation III and IV usually favor the accuracy of the estimation effort
B. II and III can negatively affect the estimation I and IV usually favor the accuracy of the estimation effort
C. II and IV can negatively affect the estimation I and III usually favor the accuracy of the estimation effort
D. III and IV can negatively affect the estimation I and II usually favor the accuracy of the estimation effort