please help me with this problem, thanks

PT Saratoga Investama Sedaya (SIS), a publicly listed Indonesian investment firm, is currently seeking investment opportunities in 2021 and will remain focused on sectors driving the Indonesian economy: infrastructure, consumer products and services, and natural resources. Recently, as investment manager, you have received two investment project proposals, an infrastructure, and natural resources project, for funding. The proposals came with their own estimations of the profits (in hundreds of thousands of US dollars) that the two projects expect to earn in the next 5 years. Year Predicted | Probability Year Predicted Probability Profit Profit H 4,375 0.1 1 2,000 0.25 2 4,450 0.25 2 3,500 0.35 3 4,850 0.30 3 5,000 0.1 4 5,300 0.25 4 6,500 0.20 5 6,700 0.10 5 8,000 0.10 Infrastructure Natural resources a. Determine the expected return of each option b. Determine the variance and standard deviation of each option. c. Which option would you like to recommend for your company to invest? Why