Using the Internet, conduct a thorough search for more information on using charts in Excel. Do not use the etext as reference as we already have the access to the extext. Choose one bullet listed below and explain and also include a reason to use in your worksheet for your bullet from the following: Session 4.1 Create a pie chart Format chart elements Create a line chart Work with chart legends Create a combination chart Session 4.2 Create a scatter chart Edit a chart data source Create a data callout Insert shapes and icons into a worksheet Create and edit a data bar Create and edit a group of sparklines