The income elasticity of demand for fresh potatoes has been estimated to be -0.32. This means that the demand for fresh potatoes will
A) fall by 3.2% if incomes rise by 10%
B) rise by 3.2% if incomes rise by 10%
C) fall by 3.2% if price rises by 10%
D) rise by 3.2% if the price rises by 10%