The Demand for Housing Is Characterized by a Regular Pattern

The demand for housing is characterized by a regular pattern of increasing to a peak,then falling.When the demand reaches a low point,it then repeats the pattern.This pattern usually takes place over a three- to five-year period.This is an example of which type of demand pattern?

A) Autocorrelation
B) Seasonality and cycles
C) Step change
D) Trend