The probability a new purchase of a fiction novel is in the form of an e-book is 0.28. The probability a newly purchased fiction novel is on the bestseller list is 0.4. Assume whether a new purchase of a fiction novel is in the form of an e-book is independent of whether the book is on the bestseller list. What is the probability a new purchase of a fiction novel is a book on the bestseller list given it is purchased in the form of an e-book