Earned-value analysis. A project budget calls for the following expenditures:

Task	Date	Budgeted Amount
Build forms	April 1	$10,000
Pour foundation	April 1	$50,000
	May 1	$100,000
Frame walls	May 1	$30,000
	June 1	$30,000
Remaining tasks	July 1 and beyond	$500,000

Define each term in your own words, calculate these values for the above project, and show your work:

1. SV as of May 1.
2. Actual cost as of May 1 is $160,000. Calculate the cost variance (CV) as of May 1.
3. Schedule performance index (SPI)
4. Cost performance index (CPI)
5. Estimate to complete (ETC), assuming that the previous cost variances will not affect future costs
6. Estimate at completion (EAC)