Making money by writing books depends on royalty income, that is, the author will get a certain percentage of economic return from book pricing when selling a book. This ratio is called royalty rate, such as 7% of the pricing, 10%, and so on. In addition, there are words and remuneration. This is not the mainstream not to discuss.
Question 1: Questionnaire According to the data in the table, middle school students tend to be interested in entertaining and exciting books, but not in literary mas