You are the Project Manager for a construction project which requires you to build four identical walls. The project has equal amount of work to be completed in each period and there are 4 periods (i.e. one wall for each period). By the end of week 3, you only have two walls done. The budget for the project is $2000. At the end of week 3, you have incurred actual costs of $1250. As the project manager, you have to assess your schedule variance, cost variance, your schedule performance index, and your cost performance index.