Question: Mitchell and Tiffany are planning to move closer to Mitchell's new job. Mitchell wants a short commute to work. They also want to minimize their mortgage debt. During which step of the Quantitative Reasoning Process would you expect Mitchell and Tiffany to create a chart showing the relationship of travel time to average home cost near the new job? Group of answer choices Apply quantitative tools Identify key variables and make key assumptions Evaluate your reasoning Make an informed decision Understand the problem