An org records customer order information in a custom object, Order__c, that has fields for the shipping address. A developer is tasked with adding code to calculate shipping charges on an order…

An org records customer order information in a custom object, Order__c, that has fields for the shipping address. A developer is tasked with adding code to calculate shipping charges on an order, based on a flat percentage rate associated with the region of the shipping address. What should the developer use to store the rates by region, so that when the changes are deployed to production no additional steps are needed for the calculation to work?