Comparison of Music Preference Percentages

A survey was conducted among 100 college students regarding their favorite types of music. The survey results revealed the following distributions: 40 students preferred Pop, 25 students preferred Rock, 20 students preferred Jazz, and 15 students preferred Classical.

Based on this data, compare the following quantities:

Quantity A: The percentage of students who preferred Pop music.

Quantity B: The percentage of students who preferred Rock music.