please answer step by step !!! as i am weak in finance please show calculations as well

Q1. Your firm is considering two investment projects with the following pattern of expected future net after-tax cash flows: Year 1 2 3 4 5 Project A $ 1 million 2 million 3 million 4 million 5 million Project B $ 5 million 4 million 3 million 2 million 1 million The appropriate cost of capital for both projects is 10%. If the project requires an initial outlay of $10mmillion, which is the better project