The benefit of the dual-income household is that it provides more money because there are 2 salaries. Hence option A is correct.
What is dial income household?
A dual-income household is one that has husband and wife both earning and may be either for full or part-time.
Such families are financially stable and have a larger social circle. The family has less time to spend with the family which can bring stress from work. These families don't have to cook and clean every day.
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