Project X and project Y have a cost of $50,000,000 today. Project X will have a cash flows of $20,000,000 per year for three years while Project Y will have cash flows of $18,000,000 the first year,$19,000,000 the second year and $23,000,000 the third year. Should X,Y both X and Y ,or neither br accepted if the projects are independent ? Should x,y both X and Y ,or neither br=e accepted if the projects are mutually exclusive?