One company try to design its managerial and accounting system, so, the following models can be developed: 1- GL with account details 2- Customers database with all required details 3- Venders database with all required details 4- Inventory database with all required details 5- Employees database with all required details 6- Sales database with all required details 7- Purchases database with all required details 8- Fixed assets database with all required details 9- Warehouse database with all required details 10- Drivers database with all required details