CPI (Cost Performance Index):

CPI=EV/ACCPI>1.0 (cost savings)
CPI<1.0 (cost overrun) SPI (schedule performance index): SPI=EV/PVSPI>1.0 (ahead of schedule) SPI<1.0 (behind schedule) Project performance assessment methods: deviation analysis, trend analysis, earned value analysis Estimate of completion (EAC): 1) Equation 1: EAC=AC+ETC (actual expenditure + new estimate for remaining work)