Ev (earned value) budget value of work actually

That is, the investment that should be made for the completed work at a certain point. Etc (cost estimate of remaining work) etc = total PV - EV completed or etc = PV of remaining work×Cpi2) the most commonly used scale: CV (cost deviation): CV = ev-accv > 0 (cost saving) CV < 0 (cost overrun) Sv (schedule deviation): SV = ev-pvsv > 0 (over schedule) SV < 0 (behind schedule)