Which of the following most logically completes the argument?
Last year a higher percentage of workers received salary bonuses in the south of Breeland than in the north. Moreover, of those workers who did receive a bonus, a higher percentage in the south than in the north saved part of it. Clearly, therefore, a greater number of workers in the south of Breeland than in the north saved part of the bonuses they received last year, since __________.
(A) the per capita income in the north is lower
...
Last year a higher percentage of workers received salary bonuses in the south of Breeland than in the north. Moreover, of those workers who did receive a bonus, a higher percentage in the south than in the north saved part of it. Clearly, therefore, a greater number of workers in the south of Breeland than in the north saved part of the bonuses they received last year, since __________.
(A) the per capita income in the north is lower
...
