please help with the following question

You are responsible for approving your Departments annual CAPEX budget. You have limited funds of R3 million in the annual budget, and the company's minimum attractive rate of return (MARR) is 15%. At present, there are 4 independent project proposals which have been submitted to you, as in the table below. i) [8] If there is ONLY this one cycle of accepting any projects, which project(s) would you approve? Motivate your answer. ii) [4] If there is another budget meeting in 6 months' time where any not yet allocated funds could be used, would you change your decision in i) above? Motivate