6. The following are three competing alternatives. Calculate the IRR for each alternative. b. IBS Inc, a small car parts design firm, is presented with two projects. Project 1 will cost IBS $105,000 in year zero and the expected revenues are $70,000 in year 1 and $67,000 in year 2 . Project 2 will cost IBS $120,000 in year zero and the expected revenues are $75,000 in year 1 and $80,000 in year 2 . IBS has the capacity to accept only one of the projects for the coming year 2024. If IBS uses a MARR of 7\%, which of these projects should IBS select using rate of return analysis