Please use Excel and upload the excel file and copy the link so I can download it

Two mutually exclusive proposed projects have the following cash flow estimates: The planning horizon is 5 years, and MARJR. is 10%. All cash flows are normally distributed. For the following questions, determine an analytical solution: The mean and the standard deviation of the net present value for each alternative. The probability that the present value is positive The probability that alternative 1 is preferred over alternative 2