Simple Php Modules

Hi Freelancers, I am not sure about the prices,please send me reasonable prices of following 5 php modules. 1) Complete Content Management for all pages, make menu and submenu items dynamic. 2) Newsletter system where visitors can join on a webpage with their email address and after that they are in database with their email address so they get an email. 3)User management (for example, 1 administrator who can do everything, 1 admin for cms, 1 admin for newsletter system) 4) News (where you can put news items, and which are rss supported) 5) Foto gallery (using mootools functions) Note! Send me price of each module separate.