Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
労災の休業補償給付・休業給付とは別枠で、社会復帰促進等事業の休業特別支給金（後述）を申請すれば、休業の4日目から給付基礎日額の追加支給は何%か

### Response:

20%