QUESTION 5 [10] For a particular work package, the budgeted cost as of 1 September is R19 000. Assume that as of 1 September, you as the supervisor determines that only 80% of the scheduled work has been completed and the actual expense is R20 000. a) Determine the BCWP, BCWS, and ACWP. (3) b) Calculate AV, SV, CV, SPI, and CPI for the work package. Explain the progress made. (7)