Say that most people consider papayas and mangos as substitutes. Now consider the effect of an increase in the price of mangos. What will happen in the mkt for papayas (all else constant)?
A. There will be an decrease in the quantity demanded as depicted by a movement along the stationary demand curve
B. There will be an increase in the quantity demanded as depicted by a movement along the stationary demand curve
C. the demand curve will shift to the left
D. The demand curve will shift to the right