Changes in the demand for real estate can be caused by all of the following EXCEPT:
(a) vacancy changes
(b) population changes
(c) income changes
(d) personal lifestyle changes
Signs of neighborhood change include all of the following:
(a) use change, density of occupancy, transportation
(b) transportation, turnover, zoning, general plan
(c) general plan, density, transportation
(d) condition, turnover, use change, density of occupancy