Estimate at completion (EAC). EAC is the expected total cost or time of a control account, work package, or
project when the defined scope of work will be completed.
The equation for EAC is the current cost or time spent plus the estimate to complete (ETC):
EAC
c
= AC + ETC
c
EAC
t
= AT + ETC
t
When the independent estimate is used for ETC, then EAC is often referred to as an independent estimate at
completion (IEAC).
Different approaches to estimate the cost and time remaining can be used.
Variance at completion (VAC). The VAC is the variance between the forecasted trend and the baseline for cost
and schedule, and it can be ...
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