How do i do that?

c) The annual benefits for Project A are uncertain and they follow the probability distribution: Annual Benefits of Project A Probability $40,000 0.1 $60,000 0.2 $80,000 0.4 $100,000 0.2 $120,000 0.1 i . Determine and plot the risk profile for Project A's PW ii. What is the expected PW of Project A