It is not easy to calculate last price for a website. Because it depend on many factors. Here I will try to give a simple line.
Small websites up 10 pages
1x home page : 200$
5x sub pages : 400$
1x flash animation/intro : 200$
1x web contact form with captcha protection: 150$
Middle to Big Websites with CMS
Drupal installation and customization : 800$
Joomla installation and customization : 500$
Wordpress installation and customization : 500$
phpBB/Phorum/Smf installation and customization : 250$
vbulletin installation and customization : 400$
Online Shopping Carts like Magento, Oscommerce or Presta starting from 1000$
Dedicated server setup starting from 500$
Website moving to new host starting from 1000$
The hourly price of a professional webdesigner is starting from 20$. Webprogrammers and flash animation designers price is starting from 30$ to 100$. Price of graphic designers are like webprogrammers. Java programmers earn more than 50$/hour and more averagely. web security experts are one of the most expensive and earn 80$ or more as freelancer.