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Just how obscene an amount of cash are we talking about here? Profane or really offensive?
— Store manager · Pretty Woman

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker takes “obscene” as a description of money and jokingly asks which degree of offensiveness applies. The amount is measured through stronger and weaker words of disapproval rather than figures. That mock precision turns curiosity about a large sum into a playful exchange about language.
Context reviewed