Answer:
d. All of these explanations could be relevant.
Step-by-step explanation:
Change in demand for small luxury condominiums, from large single family homes could be : due to any of these three reasons - changing 'taste & preferences' of people
- Increase in senior citizen (old parents) , whose children have moved away from home. So, they might feel settling in community apartments better rather than full lonely homes (without children)
- Urban area aged people tend to have higher income & financial base for purchasing luxury condominiums