Add row
Click on the row heading for row 12.A new row should appear:
Delete row
Right-click the row heading for row 13.The row should disappear:
Insert a new column in front of column F.
Insert a new column in front of column H.
Insert two new rows above row 3.
In the new row 3, type:
Make this text Arial, 12 point, and bold.
The worksheet should now look like this: