Did this store give me the wrong bra size after being measured?

I went into a Victorias Secret and they mesured me for my bra size. They said i am a 36C. I been wearing a 36B for years. So when I buy some 36 C bras from other stores they are tight and feel like they punch me. However the 36B bras are more comfortable and i can breath better in them. Why would they give me a... show more I went into a Victorias Secret and they mesured me for my bra size. They said i am a 36C. I been wearing a 36B for years. So when I buy some 36 C bras from other stores they are tight and feel like they punch me. However the 36B bras are more comfortable and i can breath better in them.

Why would they give me a different size if Its too tight but my original size is more comfortable?
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