27. The following project is at the end of its sixth week. Find the cost and schedule variances. Also find the CPI and SPI. Then find the critical ratio of the project using earned value calcula tions. Finally, calculate the ETC and EAC for the project. Actual % Dura- Prede ion Budet Cost Co Activity cessors (wks) () plete 2 300 400 100 200 180 100 a 2250300 100 a 5 60
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