In January 2021, the Brexit agreement for the UK to leave the European Union (EU) came into effect. From then, the movements of goods, services, and people between the UK and EU were subject to national and European laws and regulations. (a) How would Brexit affect the supply of services by London investment bankers to EU member countries such as France and Germany? (b) How would Brexit affect the market power of French and German investment bankers? (c) UK and EU member countries apply different laws and regulations on the production and sale of goods and services. How would Brexit affect the degree of imperfection in the markets for goods and services