The program director of a four-year program, estimated to require 600,000 person-days effort, notices that...

The program director of a four-year program, estimated to require 600,000 person-days effort, notices that team morale has decreased over the last three months. The program is at a critical stage with 70% completion

through the test phase. A number of defects are found that result in teams working additional hours. The program director requests that the program management office (PMO) gather metrics to monitor the situation.

Which of the following metrics should the PMO capture on a monthly basis?