Author a Accepts a $5,000 Advance from a Publisher and a 10

Multiple Choice

Author A accepts a $5,000 advance from a publisher and a 10% royalty after 5,000 books are sold. Author B foregoes the publisher's advance and negotiates for a 15% royalty on all books sold. Author C decides to self-publish his book and keep 100% of all sales revenue. Which of these authors is most likely to have 10 books published?

A) Author A
B) Author B
C) Author C
D) They are all equally likely.