identify four project performance metrics that use moving-window measurements, and describe the challenges that project teams typically encounter in the use of these metrics. Also, identify ways to...

identify four project performance metrics that use moving-window measurements, and describe the challenges that project teams typically encounter in the use of these metrics. Also, identify ways to overcome these challenges. Metrics that use rolling-wave or moving-window measurements are “metrics where the starting and finishing measurement dates can change as the project progresses” (Kerzner, 2013, p. 89). Support your statements and conclusions at least two outside reference (a peer-reviewed scholarly article published in the last five years, references not to include required or recommended reading assignments, or the textbook) . Must include Cost Performing Index (CPI), Schedule Performance Index (SPI) and Cost Estimate