Well I think I'll post here, don't want to make a new thread when this one stole my title!

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I applied online to Best Buy and I got a call today and did this mini on the phone interview. On Wednesday I'll be going in person to see a manager for an interview. I haven't legally changed my name yet (need money, hence the job

), on the application I put my name as B. Katelyn for my first name, the B. is the initial for my male name, so I'm not lying, right?

. They're going to find out since I'll have to eventually give them my SIN (like SSN in the USA).
Should I wait to see if they ask me about my name? Or bring it up myself? What exactly would I say if I wanted to bring it up? Should I just say Katelyn is the name I go by and that it isn't my legal name, not mention anything about being transgender if I don't have too? Not that I'm ashamed or anything, but I'd like to be stealth as possible if I can manage it. Or just be completely upfront about it, to avoid any confusion/misunderstanding?