How to Manage Permissions for SharePoint Lists, Library, Folder, Document, or List Item.
Microsoft Windows SharePoint Services 3.0 provides the ability to manage permissions (permission: Authorization to perform specific actions such as viewing pages, opening items, and creating subsites.) on individual lists and libraries, and on individual folders, documents, and list items within those lists and libraries.
Please see the following Microsoft tutorial: http://office.microsoft.com/en-us/sharepointtechnology/HA100215641033.aspx
With the best SharePoint hosting price plans in the industry, Apps4Rent provides any sized business the power to integrate the virtual collaboration technology into their business model and streamline communications at a minimal SharePoint hosting price rate of $8.95 per month.