25. Post-implementation review is usually performed for larger projects rather than smaller projects, because: a. more resources have been spent in larger projects than in smaller projects. b. larger projects have more risks than smaller projects. c. larger projects have more customers than smaller projects. d. All of the above are true. 26. To formally recognize and approve a project, which of the following should be created and signed by all key stakeholders? a. Cost budget b. Project charter Risk management plan d Work breakdown structure c. 27. In reviewing a quality control chart, a process is found to be out of control, meaning that: a. there are variations in the outputs of this process. b. there are 7 consecutive data points in an increasing trend. c. there are equal number of data points above and below the mean. d. there are no variations in the outputs of this process. 28. In the financial analysis of a project, which of the following actions can lead to increase in NPV? (1) Increase in the estimated benefits. (2) Decrease in the estimated costs. (3) Increase in the discount rate. (1) only b. (2) only (3) only d. (1) and (2) only a. c