4. Revenue at a major department store was 5.3 billion for 12 months ending December 31, up 90% compared with the same period last year. Many attribute the increase to 110% increase in quantity, despite a 20% drop in the selling price of its phones. Given this information, is it surprising that the company's revenue increased when it decreased the average selling price of its phones? Explain.

Your response should be at least 75 words in length.