Answer:
C, household maintenance activities that people increasingly pay others to perform.
Explanation:
Due to the newly imbibed culture of relaxation, convenience, pleasure or leisure, people hahve started to pay people to do things that they could do for themselves, by themselves at an ever increasing rate such that it has become some sort of area of specialization for some people. This gives the both parties time to do something else (e.g relax, go on a vacation,meet an appointment, etc) and also a main or extra means of livelihood for each party.
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