Discount rate. Future Bookstore sells books before they are published. Today, they are offering the book Adventures in Finance for $$14\mathrm{.}29,$ but the book will not be published for another $4$ years. The retail price when the book is published will be $$22.$ What is the discount rate Future Bookstore is offering its customers for this book?

What is the discount rate Future Bookstore is offering its customers for this book?

$\%($Round to two decimal places.$)$