Consider a project that involves painting five similar houses over ten weeks (one house every two weeks) for a total budgeted cost of $20,000. The budget is $4,000 per house. At of the end of week 5, you determine that $10,000 has actually been spent and three houses have been painted completely. What is the earned value of the project?

a.) $10,000

b.) $12,000

c.) $4,000

d.) $20,000