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From the project plan, we that a project has a total budgeted cost of $985,691 and a project completion time of 16 weeks. At the moment, the project has been in a performing stage. At the end of week 9, the project progress report shows that the project has consumed a total of $335,916, the project cost performance index is 1.09 and the project schedule performance index is 0.89. Looking at the project report at the end of week 9, what is the estimated project cost at completion if the project continues at the cost performance index of 1.0 ? Use at least 4 decimals