Say I earned $3000 as a 1099 contractor/self employed and am also a W-2 part time employee, how much do you think will I owe on 1099 taxes?

3000 -> income as 1099 self employed
8,000 > 8-month until april, income on my w-2 job
How much am I possibly going to owe for my taxes as a 1099 contractor?
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