Use the Format Data Series pane to apply the Round bevel effect to the top of the pie chart with a width and height $($in that order$)$ of $512$ pt$.$ Then apply the same effect to the bottom of the pie chart with a width and height $($in that order$)$ of $512pt.$ Change the surface material of the chart to Metal $($fourth material under Standard$).$ Do not close the Format Data Series task pane.