Use the information provided to answer Part A and Part B. A store owner paid \$ 15$15 for a book. She marked up the price of the book by 40\%40% to determine its selling price. Part A What is the selling price, in dollars, of the book? Enter your answer in the box. Part B A customer buys a different book that has an original selling price of \$ 38$38. The book is discounted 25\%25%. The customer must pay a 6\%6% sales tax on the discounted price of the book. What is the total amount, in dollars, the customer pays for the discounted book? Enter your answer in the box.