In a study of factors affecting adoption of computerized accounting systems by small and medium sized manufacturing firms in Nairobi county. Chepkemoi(2019) surveyed 181 manufacturing firms applied stratified random sampling technique. The results indicated that accounting expertise and technology change affected the adoption of computerized accounting systems by medium and small sized manufacturing firms in Nairobi county. It was established that cost had no significant effect on the adoption of computerized accounting systems. Required a) Write down the possible research hypothesis in the study? (6marks) b) Identify the research design applied in this study and explain the reason why it might have been preferred? (10marks) c) Explain the reason why the researchers could have preferred stratified random sampling technique? (5marks) d) Make possible recommendations based on the outcome of this study? (4marks)