what is the net present value and internal rate of return of project 1?

The firm Incite.inc is considering two potential investment projects. The estimated opportunity cost of capital (COC) to be considered for each of these two projects is 10%. Project 1 has a duration of 5 years and is characterized by the following stream of cash-flows. The initial outlay is 1 500 000 000 (paid at date 0). Then, there is a series of 60 identical monthly free cash flows of 20 000 000 (occurring at the end of each month, starting at the end of the first month). Finally, there is a terminal cash flow (termination value of the project) of 1 500 000 000 (occurring at the end of year 5, that is at the end of month 60). Project 2 has a duration of 2 years and is characterized by the following stream of cash-flows. The initial outlay is 1 000 000 000 (paid at date 0). Then, after one year there is positive cash flow of 500 000 000 (received at the end of year 1). Finally, the terminal cash flow amounts to 900 000 000 (received at the end of year 2)