Answer:
The bassoonists earn a higher salary than the flutists.
Explanation:
Considering that 123 professional bassonists and 525 professional flutists auditioned, we can see that there are more flutists available from which to choose an that means that they have more competition for the positions which will make that they get a lower salary. On the other side, there are less bassonists which generates that they will be offered a higher salary as it is not that easy to find one. So, according to this, the answer is that this difference affects salaries because the bassoonists earn a higher salary than the flutists.