Identify and explain the five determinants of demand.

• A. Income; prices of related goods (substitutes/complements); tastes and preferences; expectations of future prices/income; number of buyers.
• B. Income; taxes; technology; weather; population size.
• C. Prices of related goods; consumer debt; advertising; season; fashion trend.
• D. Income; prices of related goods (substitutes/complements); tastes and preferences; expectations of future prices/income; number of buyers.

Answer: (D)