Explain what you believe to be the main business purpose of charts in Excel. Next, discuss whether or not you believe Excel would still be a useful tool if the charting features were removed from the application. Justify your response. Read the article titled 10 cool ways to use Excel's conditional formatting feature. Next, identify the conditional formatting feature that you believe would be most useful in a business or personal setting. Include one (1) example of utilizing such a feature to increase efficiency for your chosen task.