A3. Smart Looks LLC is a costume designer and wants to conduct a survey to know about the "Satisfaction of Customers'. The study is to be conducted among all the customers- both male and female customers. Assume that the company has 2000 customers - 1000 male customers and 1000 female customers. The sample size required for the survey is 100. Answer the following questions: A. Which will be the most appropriate sampling techniques Probability sampling technique or Non-probability sampling technique-Justify (1 Mark) B. Explain the application of systematic sampling technique of collecting the data for the above mentioned survey. (3 Marks) C Explain the application of stratified sampling technique of collecting the data for the above mentioned survey. (3 Marks) D. Explain the application of multi-stage sampling technique of collecting the data for the above mentioned survey