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From the project plan, we that a project has a total budgeted cost of $625,458 and a project completion time of 17 weeks. At the moment, the project has been in a performing phase. At the end of week 7 , the project progress report shows that the project has consumed a total of $235,040, the project schedule variance is $54,672 and the project schedule variance is $32,736. What is the project cost performance index at the end of week 7? Use at least 4 decimals