Salesforce.com modifying

1) I need to have you add a tab on top of my [login to view URL] home page called employers. Then we need to be able to add the employers contact data for each employer. Also we need to be able to assign to employers recruits that were hired by the employer and keep a listing of recruits by employer. ? ? 2)? I need to be able to produce a report that gives me the following 9 statistics for my [login to view URL] data by month. 1) Total lead count 2) appointments/ leads = % 3) appointments shown/ appointments = % 4) sent to employers/ appointments shown = % 5) in class/ sent to employers = % 6) graduated/ in class = % 7) cost / lead = cost per lead 8) cost/ graduated = cost per graduate 9) lead/ graduate = % ? I also need to be able to produce the above report data by a) ad source and b) by sales rep ## Deliverables Must be very experianced with [login to view URL]