tombo123 on "How do I add vertical lines between navigation labels? - menu in Twenty Ten"

For example, it should look like below:

HOME | WORK | STATEMENT | RESUME | CONTACT

I tried the codes below in style.css -- adding the last line.

#access a {
color: #000;
display: block;
line-height: 14px;
padding: 0 10px;
text-decoration: none;
border-right: 1px solid #000;
}

But then, I get a line on the right side of Navigation label "CONTACT", which I don't want. Is there a way to exclude this code applied to "CONTACT" ? Or is there an entirely different approach to achieve this issue?
Also I'd like to know where I could control the space before and after the vertical lines.
Thank you for your help.

http://wordpress.org/themes/twenty-ten/