Earnings Method (Usage For Establishing Performance Measurement Baseline) Earnings Method Apportioned Effort ( continued) B. 40 Workhours/Unit for Planned Units for Work Package X . 1 3 Valid Invalid If Invalid, Reason: Percentage Ratio Based on Work Package X+ Budget for Work Package X 2. Valid Invalid If Invalid, Reason Level Of Effort A. 20 25 20 2 3 1 valid O invalid If Invalid, Reason