BUILD A QUILDER REPLICA PLUS SOME TWEEKS

I need somebody to build something like [login to view URL] and then make changes to the system which quilder is not interested in making. The tweeks will be as follows: 1. Proper report on paid and unpaid invoices 2. Automatically input quote numbers and names + quote value as a stored item in company products so as to use these to make invoices or simply being able to select quotes to make an invoice out of several quotes 3. Have an expense tracking system 4. Have a VAT tracking system taking into account input VAT and Output VAT 5. Have a Bank transaction tracking system. 6. have profit an loss accounts based on the information in the accounts and create a proper accounting. 7. We may have to start from the accounting system already existing then change some items to suit Quilder