i. Develop the work breakdown structure (WBS) for this project and provide a revise cost estimate for the project. (20) ii. Evaluate the contracting and subcontracting of the project activities for this project. What are the advantages and disadvantages of the subcontracting on this project? (20) iii. Discuss the benefits of contracts management to ensure the timely completion of this project.(20) iv. What additional investment is required to complete the project before the deadline? (20) v. Your company has been appointed to provide management oversight to ensure that the project is delivered on time, assess the risk factors that are contributing to cost overruns on the critical activities and provide mitigations for each of the identified factor.