Please solve both!

You are considering three investment projects. Your investment budget is limited and 10. Cash flows structures for the projects are presented in the table below. The discount rate for all projects is equal to 10%. Make optimal investment portfolio. Period Project Y Project 2 Project H 0 -10.00 -5.00 -5.00 30.00 5.00 5.00 5.00 20.00 15.00 1 2 You are considering two investment projects. Cash flows structures for the projects are presented in the table below. The discount rate for the projects is equal to 9%. Which project do you prefer? Why? Period Project X Project S -400.00 -200.00 1 241.00 131.00 293.00 172.00 0 2