(c) Explain how your answer to (b) can help Advantager University, given that it is undergoing several expansion projects simultaneously. 5. (a) Calculate the path variance of ABDFHI. (b) What is the value in calculating path variances? 6. A world-renowned Nobel Prize winning economist will be visiting the university in 20 weeks. If the project can be completed in 20 weeks, she will be able to give a speech at the opening ceremony for the building, attracting valuable news coverage of the event. (a) Using the additional information in Table 2 below, ascertain the smallest total additional cost incurred for finishing the entire project in 20 weeks. (b) What factors would you consider in deciding whether to crash the project