#1. A project in its 26th week has an actual cost of $270,000. It was scheduled to have spent $261,000. For the work performed to date, the budgeted value is $272,000. What are the cost and schedule variances for the project? What are the SPI and CPI? What is your assessment of the project from a cost and schedule perspective?

#2. A project has just completed the 87th item in its plan. It was scheduled to have spent $168,000 at this point in the plan, but has actually spent only $156,000. The foreman estimates that the value of the work actually finished is about $162,000. What are the spending and schedule variances for the project? What are the SPI and CPI? What is your assessment of the project from a cost and schedule perspective?

#3. The following project is at the end of its sixth 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.

Activity	Predecessors	Duration (wks)	Budget ($)	Actual Cost ($)	% Complete
a	-	2	300	400	100
b	-	3	200	180	100
c	a	2	250	300	100
d	a	5	600	400	20
e	b,c	4	400	200	20