A firm invested $15,000in a project that appeared to have excellent potential unfortunately, a lengthy labor dispute in Year3 resulted in costs that exceeded benefits by $8000. The cash flow for the project is as follows:

Year                Cash Flow

0..........................-$15,000

1...........................+10,000

2.............................+6,000

3..............................-8,000

4.............................+4,000

5.............................+4,000

6.............................+4,000

Compute the rate of return for the project.