Inflation in Srilanka

1. Construct the CPM network described by the following set of activities, compute the length of each path in the network, and indicate the critical path.

|Activity |Time (weeks) |
|1 [pic] 2 |5 |
|1 [pic] 3 |4 |
|2 [pic] 4 |3 |
|3 [pic] 4 |6 |

2. Construct the CPM network described by the following set of activities, compute the length of each path in the network, and indicate the critical path.

|Activity |Time (weeks) |
|1 [pic] 2 |3 |
|1 [pic] 3 |7 |
|2 [pic] 4 |2 |
|3 [pic] 4 |5 |
|3 [pic] 5 |6 |
|4 [pic] 6 |1 |
|5 [pic] 6 |4 |

3. Construct the CPM network described by the following set of activities, compute the length of each path in the network, and indicate the critical path.

|Activity |Time (months) |
|1 [pic] 2 |4 |
|1 [pic] 3 |7 |
|2 [pic] 4 |8 |
|2 [pic] 5 |3 |
|3 [pic] 5 |9 |
|4 [pic] 5 |5 |
|4 [pic] 6 |2 |
|5 [pic] 6 |6 |
|3 [pic] 6 |5 |

4. Given the following network with activity times in months, determine the earliest and latest activity start times and slack for each