Fill in the blank (_) in the following sentence from the following choices.
Sentence: Donald never understood accounting, but Ryan knew everything about it, so the business of _ was consistently profitable.

Choice 1: Donald never understood accounting, but Ryan knew everything about it, so the business of Donald was consistently profitable.
Choice 2: Donald never understood accounting, but Ryan knew everything about it, so the business of Ryan was consistently profitable.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.