Consider the following information pertaining to projection 7. Project tasks Requirement gathering Architecture design Duration 1 month Tasks Requirement gathering Architecture design Circuit design Package design Testing 1 month 1 month Circuit design 2 months $60,000 Package design Testing 1 month $20,000 The status of the project at the end of month 5 is as follows. Budget $20,000 $20,000 $30,000 Status Completed. Spent $22,000. Completed. Spent $19,500. Completed. Spent $30,500. 75% complete. Spent $48.000 to date. Not started yet. i) Calculate the following for this project. 1. Cost variance 2. Schedule variance 3. Cost performance index 4. Schedule performance index (7 marks)