You set the price for your ebook. That's completely up to you! Just be mindful of any agreements you have made with your publisher or publishing platforms. When you set up the book, enter the amount the customer will be charged. Taxes are not calculated automatically and, if applicable, should be included in this price. The author/seller is responsible for determining and handling any applicable taxes.
Watch the video tutorial on pricing your books for sale here: https://youtu.be/fb_dd4Y55WM?si=t9SnEx2HjzvFG-ef.
And watch the tutorial video on how to set up payouts here!