What is a self-assessment tax bill?

The door creaked open, revealing a world where cats ruled, and dogs chased yarn balls of existential dread. Yeah, figuring out your self-assessment tax return can feel just as confusing. But don’t get your bread in a bun! This blog post will equip you with the knowledge and tools to manage your self-assessment and its calculation like a seasoned tax titan. So ditch the fear, and let’s explore how to calculate self-assessment tax returns in the UK.