Respond to the following questions in a one page document. Please adhere to APA style guidelines and include at least two scholarly references.
a) Why are data analysis skills and thinking so important to spend analysis? Can't software applications be used to generate the information needed automatically?
b) How might a structured process such as Six Sigma methodology be useful here?
c) Why is it important to get other functional areas, notably finance, involved in spend analysis efforts? Can you think of some other functional areas that should be involved?