Python and Django code an API for a car dealership

Explanation of the Car delarship There are 7 countries each country has multiple branches 49 Branches in total Shown in the Branch Ta Each Country has multiple banks Each Branch has multiple vehicles Each branch has Multiple Employees Multiple Customer belongs to one Branch (For simplicty) One Customer fills in order form from with all his details for the purchase of car and its accessories • One customer can purchase multiple vehicles • Each vehicle is sold by only one Employee • One Vehicle can have multiple accessories • One Vehicle can have one motor plan • One invoice in generated Purchased price is shown in dollar and is converted to local currency using .Its free currency converter app