I am having some trouble with the internal rate of return. Thanks in advance.

Annual Life of Project Investment Income Project $243,500 $17,150 6 years 20,770 9 years 15,700 7 years 22A 272,500 284,200 23A 24A 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 Iggy Company uses the straight-line method of depreciation. Click here to view PV table Click here to view PV of Annuity table Determine the internal rate of return for each project. (Round answers 0 decimal places, e.g. 10. For calculation purposes, use 5 decimal places as displayed in the factor table provided.) Project 22A 23A 24A Internal Rate of Returnn 0 0 0 If Iggy Company's required rate of return is 11%, which projects are acceptable? The following project(s) are acceptable