Answer:
A). How people spend their money .
B). People's pattern of work and leisure .
C). People's opinions on social and political issues.
Step-by-step explanation:
'Lifestyle studies' aim to study and analyze people's way of living, their attitudes, behavioral patterns, their individual values, interests, and how they view/perceive the world. It mirrors the individual's self-concept or personal identity that is shaped by the cultural, familial, and social factors.
As per the above description, lifestyle studies would include 'people's spending patterns' as it would reflect their economic environment while 'people's work and leisure pattern' would demonstrate their behavior and 'people's opinions on social as well as political issues' would reflect their attitudes, opinions, and perceptions. All these together(economic attitude, behavioral patterns, and worldview) contribute to shaping their way of living. Therefore, options A, B, and C are correct answers.