If you completed the workbook before you started you application, you should have found the application process to be relatively simple.
You should have in your hands a notice of assignment of your Employer Identification Number. You will also receive a PDF version by email as well.
Congratulations. You have taken the first step in what will be a long journey to starting and running a profitable business.
Take a moment to appreciate what is sure to be the first of a long list of small accomplishments. But don't get cocky. This was the easy part.