Book (Practical) Economy A book that shows all the taxes of a salaried worker's side job

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Economy
◆ It is full of knowledge that will be a great loss if you don't know it for you as a salaried worker who is doing or thinking about doing a side job! It is an easy-to-understand manual that can grasp troublesome procedures easily. ◇ Excerpt from "Introduction" of this book. This book was written using the Q & A method for salaried workers who start a side job so that they can resolve their concerns and doubts about taxes. We hope that reading this book will resolve their concerns and doubts about taxes and increase the number of people who start a side job.