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Question about discounts

ChoppskiChoppski Posts: 519
in The Commons

I have made a purchase every day for the last week. But when I add something to my cart, it is only showing 55% discount on an item that is 30% off in the store. Aren't we supposed to get an additional 35% off if we are daz+ and buy something every day? If so, shouldn't it be 65% off?

Comments

  • CES3DCES3D Posts: 81

    If a 30% discount is followed by another 35% discount, the total discount is 55% off (it's actually 54.5% off).

    If a $100 item is discounted by 30%, the price becomes $70.
    If that $70 is then discounted by 35%, the final price becomes $45.5.
    This represents a 54.5% discount off the original $100 price.

  • ChoppskiChoppski Posts: 519

    OK, thank you. I wanted to ask before I griped LOL.

  • ainm.sloinneadhainm.sloinneadh Posts: 480

    I think we've all been there. Like CES3D says, Daz discounts are cumulative (based on previous effects) rather than additive (applied linearly as a sum). That makes the sales maths more difficult for us and possibly easier for Daz as they don't ever have to worry about accidentally offering products at - or below - zero. If they made a mistake that meant we could get credit to help keep their virtual shelf space solvent, we would discover and exploit it mercilessly. We're simply naughty, naughty customers. At least I am.

  • CES3DCES3D Posts: 81

    That's right!

    If a 70% OFF item gets another 30% OFF, adding them together to make 100% OFF would leave no profit for DAZ and PA, lol.

  • Richard HaseltineRichard Haseltine Posts: 101,482

    ainm.sloinneadh said:

    I think we've all been there. Like CES3D says, Daz discounts are cumulative (based on previous effects) rather than additive (applied linearly as a sum). That makes the sales maths more difficult for us and possibly easier for Daz as they don't ever have to worry about accidentally offering products at - or below - zero. If they made a mistake that meant we could get credit to help keep their virtual shelf space solvent, we would discover and exploit it mercilessly. We're simply naughty, naughty customers. At least I am.

    That is how percentages combine, anything that adds them is doing it wrong (or at least, inventing it's own mathematics that is out of step with that used in general).

  • ChoppskiChoppski Posts: 519

    Richard Haseltine said:

    ainm.sloinneadh said:

    I think we've all been there. Like CES3D says, Daz discounts are cumulative (based on previous effects) rather than additive (applied linearly as a sum). That makes the sales maths more difficult for us and possibly easier for Daz as they don't ever have to worry about accidentally offering products at - or below - zero. If they made a mistake that meant we could get credit to help keep their virtual shelf space solvent, we would discover and exploit it mercilessly. We're simply naughty, naughty customers. At least I am.

    That is how percentages combine, anything that adds them is doing it wrong (or at least, inventing it's own mathematics that is out of step with that used in general).

    Richard, I posted this elsewhere, but do you know of the 50% off for featured artists is ONLY for today?

  • ainm.sloinneadhainm.sloinneadh Posts: 480

    Richard Haseltine said:

    ainm.sloinneadh said:

    I think we've all been there. Like CES3D says, Daz discounts are cumulative (based on previous effects) rather than additive (applied linearly as a sum). That makes the sales maths more difficult for us and possibly easier for Daz as they don't ever have to worry about accidentally offering products at - or below - zero. If they made a mistake that meant we could get credit to help keep their virtual shelf space solvent, we would discover and exploit it mercilessly. We're simply naughty, naughty customers. At least I am.

    That is how percentages combine, anything that adds them is doing it wrong (or at least, inventing it's own mathematics that is out of step with that used in general).

    It can depend on the language used. In my retail days, extra tended to be mean additive on the original price. As in, an extra 10% off an item marked 20% off would be 30% off. And it was expressed that way because it made more sense to the customer and, I believe, linguistically and possibly legally too. As in, you'd not be getting an extra 10% off the retail price if the discount was 8% and would possibly be open to false advertisement of your prices. Extra % off doesn't really mean anything - not even really mathematically - without qualifying where that extra percentage is taken from. It's grey language, which is why I said we've all been there (customers tend to interpret optimistically).

    But yes, it's prevalent the other way around these days. Coupon culture will do that. Tesco love their coupons and do cumulative. Primark and most physical clothes retailers where the extra percentage is on the price tag, as far as I'm aware, do not. But Tesco also do cumulative on their clothes. It's a marketing thing, not a mathematical thing.

  • Richard HaseltineRichard Haseltine Posts: 101,482

    ainm.sloinneadh said:

    Richard Haseltine said:

    ainm.sloinneadh said:

    I think we've all been there. Like CES3D says, Daz discounts are cumulative (based on previous effects) rather than additive (applied linearly as a sum). That makes the sales maths more difficult for us and possibly easier for Daz as they don't ever have to worry about accidentally offering products at - or below - zero. If they made a mistake that meant we could get credit to help keep their virtual shelf space solvent, we would discover and exploit it mercilessly. We're simply naughty, naughty customers. At least I am.

    That is how percentages combine, anything that adds them is doing it wrong (or at least, inventing it's own mathematics that is out of step with that used in general).

    It can depend on the language used. In my retail days, extra tended to be mean additive on the original price. As in, an extra 10% off an item marked 20% off would be 30% off. And it was expressed that way because it made more sense to the customer and, I believe, linguistically and possibly legally too. As in, you'd not be getting an extra 10% off the retail price if the discount was 8% and would possibly be open to false advertisement of your prices. Extra % off doesn't really mean anything - not even really mathematically - without qualifying where that extra percentage is taken from. It's grey language, which is why I said we've all been there (customers tend to interpret optimistically).

    Strictly they would need to say the discount increased by ten percentage points rather than an extra 10%.

    But yes, it's prevalent the other way around these days. Coupon culture will do that. Tesco love their coupons and do cumulative. Primark and most physical clothes retailers where the extra percentage is on the price tag, as far as I'm aware, do not. But Tesco also do cumulative on their clothes. It's a marketing thing, not a mathematical thing.

  • CES3DCES3D Posts: 81

    Yes, there are real-world scenarios where discount percentages are added together.
    For example, if a store advertises "20% OFF this item! And an extra 5% OFF for members!!", it's common for members to receive a total discount of 25%.

    At DAZ SHOP, multiple promotions can result in several large discounts.
    In this case, it makes more sense to apply these discounts multiplicatively rather than additively.

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