Ueker Company is considering three capital expenditure projects. Relevant data for the projects are as follows.

Project

Investment

Annual Income

Life of Project

22A

$242,870

17,640

6 years

23A

270,870

20,630

9 years

24A

281,800

18,210

7 years

Annual income is constant over the life of the project. Each project is expected to have zero salvage value at the end of the project. Ueker Company uses the straight-line method of depreciation.

Determine the internal rate of return for each project.