Question2) You are a financial analyst working for an investment firm, and your task is to optimize the allocation of a given budget across different investment projects. Each project has an expected revenue and an initial investment cost, and your goal is to maximize the overall expected revenue within the given budget constraint. Here are the details of the investment projects: Budget limit is $1.5 million. Your task is to decide which projects to invest in to maximize the expected revenue while staying within the budget constraint. a) Define all the sets, parameters, and decision variables and write the mathematical model on paper. b) Solve the model you created using GAMS