Cоntext: A digitаl mаrketing mаnager wants tо assess the perfоrmance of two ad campaigns. Campaign A had 300 clicks from 15,000 views, while Campaign B had 250 clicks from 10,000 views. Calculate the click-through rate (CTR) for each campaign and determine which had a higher performance based on CTR. What is the click-through rate (CTR) for Campaign A and Campaign B, and which is more successful?