Answer the question quickly please

Question 2. Kaxton consultancy. has been offered 72,000 by the Wuzup Radio, a radio station based in the UK to undertake a research in central London region regarding listeners' satisfaction on services. There are 400,000 regular listeners of the station in central London. Due to financial, logistics and time constraints, Kaxton Consultancy firm is unable to take survey from all the customers in ten branches. a) You are required to identify and explain to the management of Kaxton consultancy any 5 sampling methods that could be used for this study [10 Marks] b) briefly explain the advantages and disadvantages of the sampling techniques identified in (a) above [15 Marks] c) Explain what is population, sample and sampling frame using appropriate examples. [5 Marks]