Discount %age
Idea suggested by Andrew Moore 12 years ago
p { margin: 0; } Add a discount percentage for individual invoice item rather than the whole invoice
Accounting 
Pledged: £0
An extension of this is to be able to subtotal the previous line items and apply a discount. A further subtotal would only include the line items below the previous subtotal.
I send invoices including different groups of products at different discounts - this would make life much easier.
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