In cells $C40-J40,$ insert a Scatter Chart for the demand and supply curves from parts $($a$)$ and $($b$).$

Inserting a Chart

On the Insert tab, in the Charts group, click the arrow next to Insert Scatter $($X$,$Y$)$ or Bubble Chart and choose Scatter with Straight Lines Chart.

Selecting Data Series

Then in Select Data Source window, delete any series created automatically.

Add new series for the initial demand curve using cells D$13-$D$18$ for the X values and cells C$13-$C$18$ for the Y values. Use D$1$ as the series name.

Add new series for the initial supply curve using cells E$13-$E$18$ for the X values and cells C$13-$C$18$ for the Y values. Use S$1$ as the series name.

Add new series for the new demand curve using cells D$28-$D$33$ for the X values and cells C$28-$C$33$ for the Y values. Use cell D$2$ as the series name.

$12$ Add new series for the new supply curve using cells E$28-$E$33$ for the X values and cells C$28-$C$33$ for the Y values. Use S$2$ as the series name.

Edit Chart Elements bound.

Chart Size and Position

Set the chart height and width so the entire chart fits within cells $C40-J40.$

Note: Be sure to use capital letter for series names.

$13$ Save the workbook. Close the workbook and then exit Excel. Submit the workbook as directed.