Paid vs. Unpaid

Who gets money for their work & why?
We work for all sorts of reasons. Money’s one of them, but purpose, motivation, gratitude, and duty are just a few others. Yet money is what we need to sustain the rest of our livelihoods, and so much of the work we do on a daily basis goes unpaid, from care work in the home to volunteering and internships.  Where’s the logic in what should be paid and what shouldn’t?