PV BCWS
authorized budget assigned to the work to be
accomplished for an activity
EV or BCWP
% work performed * PV
AC or ACWP
actual $ spent on work
BAC
total budget for the project
CV
= EV - AC
+ = under budget, - = overbudget
SV
= EV - PV
+ = ahead schedule, - = behind schedule
CPI
= EV/AC
greater than 1 means cost underrun of performance to date
SPI
= EV/PV
greater than 1 means more work was completed than planned
ETC
Estimated cost to completion
= (BAC-EV)/CPI if continues CPI
= BAC-EV if atypical
EAC
estimated cost at completion
= ETC + AC
or BAC/CPI