Discounts
Stacked Discount
An extra % off an already-reduced price — the real total discount.
How it works. Discounts stack multiplicatively, not by adding: 40% then 20% is a 52% total discount, not 60%. Final = price × (1−d1) × (1−d2).
Discounts
An extra % off an already-reduced price — the real total discount.
How it works. Discounts stack multiplicatively, not by adding: 40% then 20% is a 52% total discount, not 60%. Final = price × (1−d1) × (1−d2).