please answer all the parts of the question within 30 minutes in detailed manner. make sure the answer and reasons are explained in details else i will give negative ratings for sure.

a) Give an overview of ownership forms in retailing. What are their typical characteristics? b) What difficulties might an independent retailer encounter if it tries to expand into a chain? Explain. c) What is a store format? Do you see a relation between store format and ownership form of a retailer? Explain