Write a 500-750 word APA formatted paper (word requirement does not include title page, or references) discussing how the economics of four different industries in the United States is changing, and how these changes will alter how firms within these industries relate to their customers. Be sure to include factors such as technology, competition, and input prices in your analysis. You should also apply concepts that you reviewed and studied this week in your analysis. Support your work with citations where appropriate and defend your answer. YOU MUST USE PEER-REVIEWED CITATIONS.