I need help understanding how to solve this part of the problem. The second part, I got correct.

Iggy Company is considering three capital expenditure projects. Relevant data for the projects are as follows. Project Annual Income Life of Project Investment 22A $244,500 $17.490 6 years 23A 274,400 20,770 9 years 24A 282,900 15,700 7 years Annyal income is constant over the life of the project. Each project is expected to have zero salvage value at the end of the project. Iggy Company uses the straight line method of depreciation. Click here to view the factor table (a) Determine the internal rate of return for each project. (Round answers O decimal places, es. 13%. For calculation purposes, use 5 decimal places as displayed in the factor table provided) Project Internal Rate of Return 22A 4.19815 % 23A 5.35321 % 24A 504152 %6