Based on your reading and study in the Systems Development Assignment Submission Link. Based on the system that is provided "Split Pay System Specifications" in the Systems Development Exercise Section, you should answer the questions and concerns that are listed below:What systems development model approach would you use to develop this system?Why is the system a good match for the systems development model you chose?What would be the advantage of using your chosen systems development model?What situations might you encounter that would be a problem for the model you chose?What would be your second choice of a systems development model for this system and why?

Part 1The price elasticity of demand is people’s responsiveness of quantity demanded (or consumption) when there is a change in price.Respond to the following:Identify the determinants of the price elasticity of demand. Explain each one.Determine whether each of the following items is elastic or inelastic: bottled water, gourmet coffee, Apple cell phones, and gasoline. Explain your reasoning.Distinguish between a necessity and a luxury.How are the price elasticity of demand and total revenue related? Why is the price elasticity of demand important to pricing?Your initial post should be a minimum of 300 words.Part 2 Externalities are costs or benefits associated with consumption or production that are not incurred by the consumer or producer and are therefore not reflected in market prices. The cost or benefit of an externality remains external when falling to parties other than the buyer or seller.Respond to the following:Describe some differences between a positive externality and a negative externality.Provide one example of a positive externality and a negative externality, respectively. Explain your reasoning.How could you solve your examples of externalities to attain market efficiency?Does the government need to intervene with externalities to effect market efficiency?Your initial post should be a minimum of 300 words.