In the market for fresh coffee, a normal good, which of these will shift the demand curve to the right?

Question

Quizplus · Accepted Answer

When incomes rise, consumers have more disposable income to spend on normal goods like fresh coffee. This will lead to an increase in the demand for fresh coffee, shifting the demand curve to the right.

A) More coffee planted in Columbia may lead to a decrease in the price of coffee, but it would not necessarily increase demand. 
B) A fall in the price of coffee would lead to an increase in quantity demanded along the demand curve, but not a shift in the demand curve itself. 
D) Consumers switching from coffee to tea would actually shift the demand curve for coffee to the left, reducing demand.

In the Market for Fresh Coffee, a Normal Good, Which