At a baseball game, a random sample of 30 fans in attendance was surveyed. Of those 30 fans, 18 named Ivan as their favorite player on the home team.
Based on this sample, if there are 21,000 fans altogether at the game, it is likely that Ivan is the favorite player of about how many fans?
A. 7,000
B. 8,570
C. 12,600
D. 35,000