After sufficient training in a choice paradigm, if a rat is able to choose between an FR$120$ and an FR$60$ schedule of reinforcement, how would the rat allocate its behavior?

The rat would respond only on the FR $60$ alternative.

The rat would respond twice as often on the FR $120$ alternative as the FR $60.$

The rat would respond twice as often on the FR $60$ alternative as the FR $120.$

The rat would respond only on the FR $120$ alternative.