1) Use the requirements gathering techniques of document review, observation, brainstorming, sampling, and research to create a list of at least 5 requirements for a typical elevator control system. 2) Research the Internet to find an example of each of the following visual aids: bar chart, pie chart, line chart, table, diagram, and bulleted list. How effective was each example? Be sure to include the URL of the website that you visited. 3)Refer to the list from #2. Find at least one example that you could improve. Explain your choice and describe, in detail, WHY it needs improving and HOW you would improve it.