please I need the full steps with answer.

x NPV $160 $140 $120 $100 $80 $60 $40 $20 SO (520) (540) A B 0.05 0.1 0.15 0.2 0.25 0.3 Discount Rate If the required return is 20%, which of the following is incorrect? Selected Answer: If A and B are mutually exclusive projects, project B is preferred Answers: If A and B are mutually exclusive projects, project B is preferred Project A should be accepted Project B should be accepted X If YTMA