Studies Have Shown That Drinking One Glass of Red Wine

Studies have shown that drinking one glass of red wine per day may help prevent heart disease.Assume this is true, and favorable weather has increased the grape harvest of California vineyards.In the market for red wine, these two developments would

A) increase demand and decrease supply, resulting in an increase in the equilibrium quantity and a decrease in the equilibrium price of red wine.
B) increase demand and increase supply, resulting in an increase in the equilibrium quantity and an uncertain effect on the equilibrium price of red wine.
C) increase demand and increase supply, resulting in an increase in the equilibrium price and an uncertain effect on the equilibrium quantity of red wine.
D) increase demand and increase supply, resulting in an increase in both the equilibrium price and the equilibrium quantity of red wine.