A company is considering adopting four projects where each runs for three years. The company's intention is to eventually sell the projects either at the end of year 2 or the end of year 3. They project the yearly cost to be as shown in the table below. They also project the return on selling each project to be different (as shown in the table) based on whether they sell it end of year 2 or year 3. Note that if a project was bought and sold end of year 2, then it does not consume from the budget in year 3. Model the problem such that the company maximizes its net return from investing and selling the projects. Budget Consumption Projected Return Project Year 2 Year 3 Year 1 Year 2 Year 3 1 0.9 1.2 0.5 0.3 0.2 2 0.9 1.3 1.0 0.8 0.2 3 1.1 1.5 1.5 1.5 0.3 4 0.8 1.1 0.1 0.4 0.1 Available capital ($m) 3.1 2.5 0.4