T

to-complete performance index (TCPI)

the cost of remaining work divided by the remaining budget or estimated budget:

\begin{gather*}  \mi {TCPI(BAC)} = \frac{\mi {BAC}-\mi {EV}}{\mi {BAC}-\mi {AC}} \\ \mi {TCPI(EAC)} = \frac{\mi {BAC}-\mi {EV}}{\mi {EAC}-\mi {AC}} \end{gather*}