4. In 2006, the average price of a daily newspaper was 50 cents. Today, the average price of a daily newspaper is 7'5 cents. Three different explanations have been offered for the increased price of a newspaper. a. One possibility is that people have become more interested in reading newspapers. Use supply-and-demand analysis to explain whether this explanation could be correct. b. Another possible explanation is that the higher costs of paper and ink {for printing the newspapers} and the higher price of gas (for distributing the newspaper] have increased the price of the newspaper. Use supply-and-demand analysis to explain whether this explanation could be correct