Answer:
The correct answer is option a.
Explanation:
An increase in the price of gasoline would make it expensive to purchase gasoline. The consumer will be able to afford a lesser quantity of gasoline with the same income. The price increase will decrease the purchasing power of the consumer. Â
As a result, the quantity demanded of gasoline will decline. But the consumer needs some time to adjust its demand. So the quantity demanded will reduce to a lesser extent in the short run. Â
But in the long run, the consumers will have enough time to adjust demands so the quantity demanded will decline to a greater extent in the long run.