If a business makes $50,000 in revenue, and has $50,000 in costs, we don't say that business turned a profit. If a person makes $50,000 in revenue, but has $50,

If a business makes $50,000 in revenue, and has $50,000 in costs, we don't say that business turned a profit. If a person makes $50,000 in revenue, but has $50,000 in costs, we tax them as if they profited $50,000.