Consider a game with two players A and B and two strategies X and Z. If both players play strategy X, A will earn $300 and B will earn $700. If both players play strategy Z, A will earn $1,000 and B will earn $600. If Player A plays strategy X and player B plays strategy Z, A will earn $200 and B will earn $300. If Player A plays strategy Z and player B plays strategy X, A will earn $500 and B will earn $400. Player B finds that:

a) strategy Z is a dominant strategy.

b) strategy X is a dominant strategy.

c) he has no dominant strategy.

d) strategy X is a dominated strategy.

e) strategy Z is a dominated strategy.