Determine the minimum cost and optimum duration for the project. The data for each activity of the network is given in the following table.

Indirect cost = Rs. 800/- per day

Activity	Normal Duration (days)	Crash Duration (days)	Normal Cost (Rs.)	Crash Cost (Rs.)
1-2	7	4	10000	15100
1-3	9	6	7000	9400
2-3	5	2	7000	10000
2-4	6	4	12000	16000
3-4	6	4	9000	12000

Activity Name	Activity	Normal Duration (days)	Crash Duration (days)	Normal Cost (Rs.)	Crash Cost (Rs.)	Cost Slope
A	10-20	2	2	1000	1000	0
B	10-30	7	3	500	900	100
C	20-30	6	3	300	420	40
D	20-40	5	4	200	250	50
E	30-40	0	0	0 …