Consider two investments with the following sequences of cash flows. Compute the i* for each investment. If A and B are mutually exclusive investment projects, which project is more economically desirable at MARR of 15%? Consider two investments with the following sequences of cash flows. Compute the IRR for each investment. At MARR = 15%, determine the acceptability of each project. If A and B are mutually exclusive projects, which project would you select on the basis of the rate of return on incremental investment