A project has just completed its 87th item in the project plan. It was scheduled to have spent $300,000 at this point in the plan, but has actually spent only $250,000. The project manager estimates that the value of the work actually finished is nearly $200,000. What are the spending and schedule variances for the project? What are the SPI and CPI? What is the Critical Ratio? a. CV = b. SV = c. SPI = d. CPI = e. CR = Please show work