this picture shows the EVM data of a project. The budget is $100,000 and the project duration is of 10 months. It started on 1^st Jan 2008. It is now 31^st July and the table shown the actual cost (AC) and earned values (EV). Activity Incorporate feedback is 75% completed as today.

Activity	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct
Plan project	2,000	2,000
Analyze requirements		4,000	6,000
Develop Data Model			3,000	3,000
Design database				6,000	6,000
Design forms &reports					8,000	8,000
Construct prototype						10,000
Test/evaluate prototype						4,000	6,000
Incorporate feedback							4,000
Test system								10,000	9,000	9,000
Monthly AC	2,000	6,000	8,000	9,000	13,000	21,000	10,000
Monthly EV	2,000	6,000	9,000	9,000	14,000	22,000

1. What is the Earned Value (EV) in July?
2. What is the Cumulative Earned Value (EV) as of 31st July 2008
3. What is the Cumulative Actual Cost (AC) as of 31st July 2008
4. What is the Cumulative Planned Value (PV) as of 31st July 2008
5. Calculate the Cost Variance (CV) as of 31st July 2008.