Negotiating salary for an 80k+ Data Analyst position - New Grad - Canada

A little bit of my work history: I have 1.5yrs of work experience interning at a big company prior to that and was paid 62k /yr.

I recently graduated from Uni and was fortunate enough given a data analyst job offer (80k base + relocation + 3k sign-on bonus, no stock options no annual bonus), and even though it is already a very well paid job, I still want to negotiate for 4k more, but at the same time I don't want to come off as being greedy.

My theory is that there's no harm in asking for it politely but I could be wrong. Any opinions on this?

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