Order

Product Stock Quantity Unit price before discounts Line total before discounts Line total after discounts
Fearless Refactoring: Rails controllers - 0 $49.00 —
Rails meets React.js - 1 $49.00 $49.00 $49.00
Domain-Driven Rails - 0 $39.00 —
Before discounts $49.00
You save $0.00
Total $49.00

Final line totals include all discounts. Percentage discounts apply after 3+1. On invoices, discounts are distributed across unit prices.