(a) Use Excel to prepare a 2-D stacked column chart for television sales by year. Modify the colors, fonts, etc., to make the display effective.
(b) Change your graph to a 3-D stacked column chart. Modify the chart if necessary to make it attractive.
(c) Is 3-D better than 2-D? Why?
(d) Right-click the data series, choose Add Data Labels, and add labels to the data. Do the labels help?