Note the most correct answer for each multiple-choice question

15. A Project Control Book provides: a. The basis for assessing conformance to standards b. The basis for reviews and audits of the project management system c. Up-to-date information on the progress of the project and reference documents of procedures d. All of the above 16. The cost performance index is an important tool and is a measurement of: a. Efficiency at which tasks are getting done from a financial perspective b. The actual cost of performing the work c. How far off, from a financial point of view, is the project from the schedule d. Efficiency level at which the project team must work to complete the remaining work within budget