Answer:
$32,055.75
Explanation:
51.95 x 12341 = 641,114.95 (the total amount of money made by the books)
641,114.95 x 0.05 = 32,055.7475
(0.05 is the 5% royalty, since percents are out of 100 you use decimal points to find them)
$32,055.75 (final answer rounded)