I'm using Odoo 8 with the sale_layout module to split my product quotes into sections, each with it's own subtotal.

sale_layout gives me subtotals for each section, but I would like each section to also have it's own tax calculation and total price.

Example: https://dl.dropboxusercontent.com/u/41195444/totals.png

Does anyone know if there is a module or configuration to achieve this? I've been Googling and even tried modifying the sale_layout module myself but without success. It does subtotals so I'm hoping it can be relatively easily extended to add tax & totals per section.

Really appreciate any help with this one. Thanks.