What is the most likely reason for a decline in the quantity demanded of Pepsi?

Show Answers

Pepsi's marketing efforts have become less impactful than before.The cost of Coca Cola has risen.Consumers of Pepsi have experienced a rise in their income.The price of Pepsi has gone up.

Explanation

A decrease in the quantity demanded of Pepsi is best explained by an increase in its price, which typically leads to lower quantity demanded. Changes in advertising effectiveness, prices of substitutes like Coca Cola, or consumer income affect demand differently but do not directly explain a decrease in quantity demanded.