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. (a) 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.) (b) If Iggy Company's required rate of return is 11%, which projects are acceptable? The following project(s) are acceptable