Website similar to fx-rate.net(repost)

We would to create a website similar to [login to view URL] with a backend & database. Some changes to the design & SEO will be done. Website should be in php The rates shall be pulled via google & yahoo api / csv . End of the day data would be saved in database to provide historic rates as well as charts. If required a simple script to do this as example can be provided. In backend we should be able to add / remove any new currency as well as advertisement modules. Also the ability to switch from google to yahoo & vice versa if any of them stop providing feeds. Further every page should have a news section which will pull rss feed from google / yahoo for that currrency/pair, the url shall be provided by us. The widget for other sittes should be such that it should keep the backlink to our site. If back link is removed or hidden then it should stop working. All other details would be shared with the final bidder. Thank you for bidding