Please elaborate each question

QUESTION TWO [25] 2.1 "Initially, the South Africa fast food industry was dominated by an oligopolistic market structure. However, in the past two decades, the industry has evolved rapidly comprising independent and chain restaurants". Discuss the extent with which you agree with this statement, taking into consideration the characteristics of the South Africa fast food industry. [13] 2.2 Use an example of a fast-food chain of your choice to explain how economies of scale can be achieved. [12]