Custom print format for quotation using tax breakup

Hello
I am working on custom print format for quotation and i add the Taxes and Charges Calculation to it but what i want is to make a new column in print format that calculate the taxable amount + vat column any help in doing this
Thanks

Tax and charge calculation

{% for item in doc.items %}
{{ _("Item") }} {{ _("Taxable Amount") }} {{ _("Tax Amount") }} {{ _("Total JOD") }}
{{ item.item_code }} {{ item.get_formatted("amount", doc) or "" }} {% set tax_amount = 0 %} {% for tax in doc.taxes %} {% if not tax.included_in_print_rate and tax.tax_amount > 0 %} {% set tax_amount = tax_amount + item.get_formatted("amount", doc) | float * tax.rate / 100 %}
          {{ tax_amount | float }}
        
       {% endif %}<!-- Show tax amount for debugging purposes only -->
        {% endfor %}
    </td>
    <td style="text-align: center"> {% set tax_amount = 0 %}
      {% for tax in doc.taxes %}
        {% if not tax.included_in_print_rate and tax.tax_amount > 0 %}
          {% set tax_amount = tax_amount + item.get_formatted("amount", doc) | float * tax.rate / 100 %}
         
          {{ tax_amount | float + item.get_formatted("amount", doc) | float}}
        
       {% endif %}<!-- Show tax amount for debugging purposes only -->
        {% endfor %}</td>
  </tr>
{% endfor %}