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To include the Sum-up row, click the Sum-up icon (
) in the right corner just above the table.
The Sum-up row is included as the first row of the table, just below the table header row, and is preceded by an
icon. 
Additionally, the column setting ellipsis (
) is displayed for each column.
You can see that the SUM value is displayed by default for all numeric columns except the non-numeric columns.
You have options the option to change the Sum-up type between Sum, Avg and None.
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To display the average value for any specific column, click the column setting ellipsis (
). For reference, to display the average value for the Tax column, click the ellipsis.
The ellipsis menu column setting option for each column becomes active, enabling the Edit column dialog box to open is enabled only after the Sum-Up row is inserted.
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Quickly switch the Sum-up type with a sequence of clicks on the specific column header Sum-up value without opening the Edit column dialog. Each click changes the displayed values between Sum, Average, and None.
The Sum value is displayed by default.
Click the Tax column headerSum-up value, and the column will display the Avg value.
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