Problem 3. The following project is at the end of its 6^th week. Find the cost and schedule variances. Also find the CPI and SPI. Then find the critical ratio of the project using earned value calculations. Finally, calculate the EAC for the project by at least two different methods.

Activity	Predecessor	Duration (wks)	Budget at Completion ($)	Actual Cost ($)	% Complete
a	-	2	300	400	100
b	a	3	200	250	100
c	b	3	300	300	100
d	b	5	600	200	30
e	c,d	4	400	-	0

$1800 $ 1150

1. CV =
2. SV =
3. CPI =
4. SPI=
5. CR=

EAC=