Answer:
A). Identify and focus your niche
Step-by-step explanation:
Secondary research involves the use of pre-existing data of primary research by the researchers for a different purpose as compared to the previous one for which it was used. It is a cost-effective method that is inclined to identify and focus on your niche and helps develop a plan to attain that position. It also assists to find loopholes in your previous research or study that helps develop an error-free plan to target your niche. Thus, option A correctly exemplifies the purpose of secondary research that helps to focus your niche without making extra efforts or bear the extra cost to research( as it takes in primary research).