Click the "Default Rates & Markups" button on the console or select Setup | Default Estimate Rates from the menu bar to open the rates form.
All fields in the Default Estimate Rates form are locked for security purposes.
To open this form for editing, click the 'Change Rates' button, which will open a logon screen.
Type your 'Administrator' password within the text box and press 'OK'.
When the text turns blue, the form is unlocked for editing.