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Q39 35. As project manager, you identified a number of acceptable tolerances as part of your earned value management system. During execution, some "unacceptable" variances occurred. After each "unacceptable" variance occurred, a best practice is to a. Update the budget b. Prepare a revised cost estimate c. Adjust the project plan d. Document lessons learned Assume that the project cost.36 n estimates have been prepared for each activity and the basis of these estimates has been determined. Now, as the project manager your nutrition awareness program in your hospital, you are preparing your budget. Because you have estimates for more than 1,200 separate activities, you have decided to first for a. Aggregate these estimates by work packages b. Aggregate these estimates by control accounts to facilitate the use of earned value management c. Use the results of previous projects to predict total costs d. Set your cost performance baseline 37. Assume you are using earned value on your project, and as of today, your cumulative CPI is below the baseline. This means a. All future work will need to be performed immediately with the range of the TCPI. b. The ETC work will be performed at an efficiency rate that considers both the schedule and performance indices, c. What the project has experienced to date is expected to continue. d. The budget should be rebaselined