this post was submitted on 30 Aug 2023
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Technology
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I'm actually confused, aren't taxes a percentage? The sum of a percentage of all items should be the same as a percentage of the sum, no? Or is my brain not do math good? Can someone smarter than me explain?
Suppose you buy two items costing
x
andy
, and there's a constant sales tax oft
(say 10%, or 0.1). You'd payt * x + t * y
, ort * (x + y)
. You can even generalize this toΣ(t * x) = t * Σx
(forx ∈ X
, whereX
is the set of prices you're paying).In other words, yes.
In case you want the math name for this property, it's the distributive property.
~~I think the issue they were bringing up though is that tax is not applied equally to all items, and that tax may be determined by number of items sold. I don't actually know if this is true or not, but if it is, the distributive property doesn't apply anymore.~~ Edit: I re-read the comment, that doesn't look like what they were saying actually. Either way, if tax is weird like this, distributive property may not apply anymore.
Hopefully someone can. Me no math good either.
[email protected] shared this:
https://www.taxjar.com/blog/retail/can-retailer-include-sales-tax-in-the-price
This is anti-consumer bullshit nonsense. All they did was hid their only real "con" behind a wall of text. "As you can see, you are cutting into your profit margin by including sales tax"
And the last paragraph is fucking stupid too. People are too used to seeing numbers, so other numbers will confuse them!
Last paragraph feels like marketing language for “it’s free real estate”
100% agree