The new version of checkout, including updated price calculation, is released. Please pay attention to the final step of the process mentioned:
After the new version of application with updated HTML will be released, we will let you know, so you could remove the #ASSETS_POSTFIX# and remove outdated your-assets-prices-original.js from FTP. You can also remove eventual conditions detecting prices-original class on body element.
We are describing the whole process here.