Earned Value formulas. SV = EV - PV; SPIN EV/PV CV = EV - AC; CPI = EVIAC CR = SPI x CPI . Prob. 1. Find the schedule variance(SV) and cost variance (CV) for a project underway that has an actual cost (AC) of $540,000, a scheduled cost (PV) of $523,000, and an earned value (EV) of $535,000. Prob. 2. A project in progress had an actual cost of $34,000, a planned cost of $42,000, and a value completed of $39,000. Find the spending (cost) and schedule variances and the CPI and the SPI. What is the Critical Ratio (CPI times SPI)? Prob. 3. A construction project underway exhibits an actual cost of $78,000, and a scheduled cost of $84,000. The foreman estimates a value completed of $81,000. What are the spending and schedule variances? What is the critical ratio