Public accounting firms are sometimes grouped into categories of local firms, regional firms, national firms, and international firms. Explain briefly the characteristics of each. Include in your answer:
a) Local firms: These firms typically serve clients in a specific city or region. They may offer a range of services but focus on local businesses and individuals.
b) Regional firms: Regional firms serve clients in a larger geographic area, such as a state or several states. They often offer specialized services and may have multiple offices within their region.
c) National firms: National firms operate across the entire country and serve a wide range of clients, from small businesses to large corporations. They offer a full suite of services and have a national reputation.
d) International firms: International firms have a global presence and serve clients in multiple countries. They offer specialized services for multinational corporations and have offices in key international financial centers.