Question 4 a) Aggregate properties and its distribution are one of major factor, which influence the concrete production process. Discuss the grading procedures for aggregates and its analysis. 10. A project consists of three tasks. Task A is scheduled to begin at the start of Week 1 and finish at the end of Week 3. Task B is scheduled to begin at the start of Week 1 and finish at the end of Week 2. Task C is sched uled to begin at the start of Week 2 and end at the end of Week 3. The budgeted cost for Task A is $22,000, for Task B is $17,000, and for Task C is $15,000. At the end of the second week, Task A is 65% complete, Task B is 95% complete, and Task C is 60% complete. What is the SPI for the project at the end of the second week? Question 4 a) Aggregate properties and its distribution are one of major factor, which influence the concrete production process. Discuss the grading procedures for aggregates and its analysis. 10. A project consists of three tasks. Task A is scheduled to begin at the start of Week 1 and finish at the end of Week 3. Task B is scheduled to begin at the start of Week 1 and finish at the end of Week 2. Task C is sched uled to begin at the start of Week 2 and end at the end of Week 3. The budgeted cost for Task A is $22,000, for Task B is $17,000, and for Task C is $15,000. At the end of the second week, Task A is 65% complete, Task B is 95% complete, and Task C is 60% complete. What is the SPI for the project at the end of the second week