In Stores,it Is Common to Find Seasonal Products Marked Down

In stores,it is common to find seasonal products marked down when the season ends.What explains this behaviour?

A) The store is trying to sell the goods and realises that they are substitutes for other goods whose prices have risen.
B) The store is trying to increase its consumers' incomes by increasing their purchasing power.
C) The law of demand is being used to increase the quantity demanded.
D) The store is trying to increase its customers' demand for the product.
E) The store manager must be trying to drive away customers by selling low quality products.