Steps:
Double click to select an order and follow the below steps:
1.Click to choose Billing. Then, click New Bill.
2. Click to choose handler.
3. Click to choose Tax Code.
4. Tick Tax Inclusive checkbox if applicable.
5. Click Total Amount.
6. Check pre-set GL code. Make necessary changes when needed.
7. Under Operations, choose Save or press CTRL + S.
8. Under Operations, choose Print.
9. Under Operations, choose Post.