A project consisting of five activities needs crashing. The details of crashing that was carried out are given in the table.
| Activity |
Normal Time (days) |
Shortest Time (days) |
Cost in Rs. for Reduction/day |
Actually Crashed by(days) |
| 1-2 | 6 | 4 | 100 | 1 day |
| 1-3 | 7 | 5 | 100 | 2 days |
| 1-4 | 10 | 7 | 100 | 1 day |
| 2-4 | 4 | 3 | 200 | Not Crashed |
| 3-4 | 5 | 4 | 200 | 1 day |
If the overhead cost of the project is Rs. 200 per day, then the net change in project cost (in Rs.) because of crashing is
Enter numerical value using the virtual keypad. Round off where necessary.