The _______ shows the relationship between price and quantity demanded in a period of time.
A. break-even curve
B. product life cycle curve
C. diffusion of innovation curve
D. supply coefficient
E. demand curve
Answer: E. demand curve
Marketing MCQ
A. break-even curve
B. product life cycle curve
C. diffusion of innovation curve
D. supply coefficient
E. demand curve
Answer: E. demand curve