A bookseller gives 10% discount to his customers but he gets book on 30% discount on the marked price from the merchant. What is his actual profit percentage of the book seller?
1
\(28 {4 \over 7}\)%
2
20%
3
25%
4
\(14 {2 \over 7}\)%
A bookseller gives 10% discount to his customers but he gets book on 30% discount on the marked price from the merchant. What is his actual profit percentage of the book seller?