The Economic Community of West African States (ECOWAS) is committed to forming a broader monetary union by 2020. The approach of forming the union is a replica of the European-type monetary union. which is predicated on the optimum currency area (OAC) theory. All the monetary unions that were created among European sovereign States within the last half of the eighteenth century. https://yeswellneses.shop/product-category/air-purifiers-2/