A. Intermodal supply within the transport demand function can vary according to the nature of what is being transported, such as passengers, freight, and information. This is about supply and demand. For all 3 modes, what are some of the criteria or attributes of these functions that could cause the transportation to vary? Use some simple examples from your experience to answer this question and not just list items from the text. B. Transportation has an irrefutable importance to an economy. Explain transportation’s role in an economy. Support your claim with evidence of transportation’s impact on an economy (provide a positive or negative example). Conclude with a summary of the trends supporting the importance of transportation. Remember trends are over a period of time, such as ten years. Instructions: Your initial post should be at least 250 words for each part.