Answer:
Earned Value Management (EVM)
The Federal Government requires contractor firms to employ earned value management because it enables it to assess the work that has been completed against an established baseline plan in terms of technical, time, and cost performance.
Armed with this information, it is in a better position to make important project decisions and help to control over-spending.
Step-by-step explanation:
Earned value management (EVM) as a integrated project management methodology details the project time schedule, costs, and scope to ensure correct measurement of project performance. Using planned and actual values, EVM enables future predictions, improving the ability of project managers to adjust according to requirements.