[单选题]
A firm is evaluating two mutually exclusive projects of the same risk class, Project X and Project Y. Both have the same initial cash outlay and both have positive NPVs. Which of the following is a sufficient reason to choose Project X over Project Y?
A.Project Y has a lower profitability index than Project X.
B.Project X has both a shorter payback period and a shorter discounted payback period compared to Project Y.
C.Project Y has a lower internal rate of return than Project X.