Astore owner paid $15 dollars for a book. she marked up the price of the book by 40% to determine it's selling price. part a what is the selling price, in dollars of the bookpart ba customer buys a different book that has an original selling price of $38. the book is discounted 25%. the customer must pay a 6% sales tax on the discounted price of the book. what is the total amount, in dollars, the customer pays for the discounted book?