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I know, right?
https://answermug.com/forums/topic/112240/since-vegetarian-meal-choices-can-be-made-to-mimic-meat-based-di
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Two reasons – Processing and because they can charge more.
Why does a no salt can of tomatoes cost the same (or more) than a can of tomatoes with salt? Logically, not having salt in it should make it less expensive (they don’t have to pay for the added salt). Same answer.