For most accounts the following paths will work.
Here is the path to PERL:
/usr/bin/perl
The path to sendmail is:
/usr/sbin/sendmail
Your path to HTML is either:
/home/virtual/yourdomain.com/var/ww/html
Likewise , the path to your cgi bin is:
/home/virtual/yourdomain.com/var/www/cgi-bin