Please show work and not do it in excel

Ford Motor Company is considering 3 mutually exclusive options for electronic stability control systems for protection against rollover of its automobiles. The investment period is four years (equal lifetimes) and the MARR is 12% per year. The data is below: A Capital Investment 12000 Annual Revenues Less Expenses | 4500 B 15800 6500 C 8000 3500 6. Select the best option using Rate of Return Analysis. You must present the IRR for each individual alternative as well as the incremental computations required along the way for each alternative. Do your best to estimate the IRR for this