Consider the Market for High-End Wine

Consider the market for high-end wine.Statistics show that wealthier families spend a greater proportion of their income on high-end wine than do poorer families.If households' incomes rise substantially during an economic recovery,then we can expect

A) an increased demand for high-end wine.
B) an increased supply of high-end wine.
C) a lower price for high-end wine.
D) the demand curve for high-end wine to shift to the left.