Given the following project, reduce its duration as much as possible, at the lowest cost using the Siemens Approximate Method (SAM). The indirect cost is $ 200.00 per day.

ACTIVITY	PREVIOUS ACTIVITY	DURATION (DAYS)	COST $	MINIMUM DURATION	$ PER UNIT REDUCED	DAYS TO REDUCE
A	-	10	1000	7	70	3
B	-	12	1000	6	90	6
C	A	8	1500	3	50	5
D	A	24	2000	13	100	11
E	C,B	20	2500	14	120	6