Denzel listed the steps for grouping controls.

1. Click the Arrange tab.
2. Click on the Sizing/Ordering group.
3. Click the Group option in the drop-down menu.

Which step did Denzel forget to include?

clicking the Format tab before clicking the Arrange tab
clicking the Format tab after clicking the Arrange tab
clicking Size/Space after clicking on the Sizing/Ordering group
clicking Size/Space before clicking on the Sizing/Ordering group