A circuit breaker for a 300 KW alternator is rated at 470 amperes of full continuous load. The amount of overcurrent allowed is 125%. Which of the following conditions will trip the breaker?

A.Sustained current flow of 470 amperes.
B.Sustained current flow of 500 amperes for 10 minutes.
C.Momentary starting load of 550 amperes.
D.Sustained current flow of 590 amperes.