Dropdown Submenu

Can someone please help. My webmaster has been busted for a DUI and I'm trying to learn but finding it a much more difficult than i anticipated. I'm ok with the basics but having issues with trying to incorporate a submenu opening to the right side of my dropdown menu. Can anyone please give me some help to incorporate this submenu into the dropdown. I'm trying hard but just having major issues. If someone could please help I would be much appreciative. I have searched the forum but not…

Dropdown Submenu