c$)$ Compare the Planned Value $($PV$),$ Earned Value $($EV$),$ and Actual Cost $($AC$)$ to calculate the following performance indicators: $-$ Schedule Variance $($SV$)-$ Cost Variance $($CV$)-$ Schedule Performance Index $($SPI$)-$ Cost Performance Index $($CPI$)$ d$)$ Use the calculated CPI to estimate the Estimate at Completion $($EAC$)$ for the project. e$)$ Based on these metrics, provide an analysis and interpretation indicating whether the project is: $-$ Ahead of or behind schedule $-$ Over or under budget