Should I work for my families company while applying to jobs?

I am graduating this week with a finance and information systems degree. My current IT internship ends this week as it was a program till I graduated and I did not get offered a full time position. I have been applying for the past month to IT/ Finance entry level positions, but I will be out of a job in a week. Should I stay unemployed or should i work for my dads construction company while applying as well?

Thanks!

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