Deutsche Post & DHL Real-Time Shipping Module for osCommerce

I need a Deutsche Post and DHL shipping module for my WPosCommerce Shopping Cart that shows the customer real-time pricing by weight to their country and adds the shipping cost to the item price on selection before checkout. The customer should be able to select the shipping destination country and then see the list of shipping options and prices offered by Deutshce Post, DHL and UPS and select the appropriate option. The source shipping base is Berlin, Germany, shipping tangible goods to all of the EU, Russia, parts of North Africa and the Middle East = 64 countries). A UPS real-time shipping module for the same functions and details described above and below is required, if the one installed cannot perform these functions. The tangible goods are shipped by weight, as follows: 1. Deutshce Post registered airmail to all destinations - up to 20 gms. 2. Deutshce Post parcel 2 to 10 kg. - Germany only. 3. DHL envelope to all destinations - up to 20 gms. 4. DHL parcel Germany only - up to 10 kg. 5. DHL parcel to all other destinations - up to 5 kg. 6. UPS envelope to all destinations - up to 20 gms. 7. UPS parcel to Germany only - up to 10 kg. 8. UPS parcel to all other destinations - up to 5 kg. Payment options in use: Payment Gateway is PayPal Pro using API key. C.O.D. in Germany only. International Bank Transfer. The Shipping and Gateway Module Combo from WPosCommerce is $40 and will be purchased after I receive your quote and am invoiced for an advance indicating when you will install and make the required changes and additions to the plugin. Please be so kind as to offer a fixed price or hourly rate for this project. Thank you.