2. Table 1 shows a cost baseline (BCWS) for a project while Table 2 shows a daily project report for date 3 (data date). Table 1. Date BCWS 1 2 3 4 5 6 $1,000 $2,000 $5,000 $9,000 $12,000 $13,000 Table 2. Work Unit of Measurement Cubic Meter Budget Quantity 100 Unit price $50 Cost Actual Quantity 80 Unit Cost price $5,000 $60 Concrete $4,800 Assuming that The concrete work is the only activity of the project There is no holiday or weekend There are 8 working hours per day Indirect charges are included in the unit price answer the following questions: (a) After calculating the at-completion variance (ACV), briefly comment on it. (b)After calculating the cost performance index (CPI), briefly comment on it. (c)After calculating the schedule performance index (SPI), briefly comment on it