Market prices are determined through the(free) interactions between buyers and sellers of various goods and services,or the " forces of demand and supply". From your own observations and experiences, regarding the products you buy on a regular basis, such as food items , gasoline, video games etc., explain why prices tend to increase? On the other hand,prices of clothings such as sweaters tend to decrease during the summer; and prices of cellular phones,laptops.. have been declining in the last few years. Explain why. In your opinion, are these price changes predictable, inevitable ,or desirable in our economy? Make note of differences of opinion in your group,if any.