Add Discount Column to XERO invoice template

I am looking for a freelancer to add a discount column to my customized XERO invoice template.

Requirements:
- Experience with XERO invoice templates and customization
- Ability to add a discount column that can be applied per item and for the entire invoice
- Attention to detail to ensure the discount column is integrated seamlessly into the existing template

Skills:
- XERO invoice template customization
- Knowledge of accounting and invoicing processes
- Proficiency in HTML and CSS

I only require the addition of a discount column to my invoice template and no other changes are needed.