A project has four activities P, Q, R and S as shown below.
|
Activity
|
Normal duration (days)
|
Predecessor
|
Cost slope (Rs./day)
|
|
P
|
3
|
-
|
500
|
|
Q
|
7
|
P
|
100
|
|
R
|
4
|
P
|
400
|
|
S
|
5
|
R
|
200
|
The normal cost of the project is Rs. 10,000/- and the overhead cost is Rs.200/- per day. If the project duration has to be crashed down to 9 days, the total cost (in Rupees) of the project is ____