joomla 1.5 custom component

Only joomla experts pls. refer: [login to view URL] [login to view URL] In the 2 url's above, play around with the options, and understand the ordering process. Your task is to replicate the whole ordering process. Take these 2 food menu content & options as sample data. You have to to code this ordering menu into a joomla 1.5 component. In the backend, admin should be able to access this component and create/edit/delete all options that you can see. In frontend, the food menu content and options interface & usability should be exactly the same as the samples above. You can use the default joomla template to build your demo. Step 1 to step 6 should all be in. Again, the entire functionality must be exactly the same. In step 6, under delivery, there should be a third option, paypal, which will allow user to pay online, and send IPN back to site to log transaction status for the order. On the left side, you can see a cart, this should be in as well. The backend should have table of customer orders, admin will be able to view each order full details. Also, logical search filters should be in, eg: search by order number, company name etc. 5 day timeframe, max bid 150 USD.