Openbravo developer

We use Openbravo and are looking for a developer with proven experience and is reliable. In your contact, please explain your Openbravo experience. We have a few small initial tasks to test the relationship. i) we need to add the new fiscal period and open it. This is on 2 instances. ii) we have an issue with the tax from Business Partner, not automatically mapping into the Customer Order confirmation / PO at the product line level. It means we have to manually change every customer order product line to the right tax iii) We want to add our delivery address into the Purchase Order (next to the main business partner Further projects are to integrate (and develop) with our opencart platform and sugarcrm or similar. In your quote, please list a fixed price for each of the individual 3 points.