Need application for accounting and inventory developed by Oracle APEX

I need and application developed by Oracle APEX include accounting and inventory modules Accounting should have the followings: 1-Define Customers and Vendors 2-Define Currencies and conversation to main currency in the application 3-Define Banks 4 -Customer invoices - with credit option 5-Purchase Orders 6-Purchase Invoices 7-Payments for vendors 8-Payment for Customers 9-Account statement report for Customer 10-Account Statement report for Vendor 11-Items sale statement For Purchase invoice, items purchased by one of the currency and system must be converted to the application currency. Inventory should have the followings: 1-Items definition 2-Balance for first duration 3-Adjastment form 4-Item statement report 5-Item cost by average. Please note that I need a ready application, if you don't have application so please don't send your quote.