I need some help with this question. I have no idea how to do it.

Following is information on two alternative investments being considered by Tiger Co. The company requires a 4% return from its investments. Project X1 Project X2 Initial investment $ {991999) $(14B,969) Expected net cash flows in: Year 1 391999 5,599 Year 2 49599 5?,599 Year 3 65599 47,566 Compute the internal rate of return for each ofthe projects using Excel functions. Based on internal rate of return, indicate whether each project is acceptable. {Round your answers to 2 decimal places.) Project X1 Project X2