Trudy Harper sells a business machine which he has owned for four years for $12,000. Trudy purchased the machine for $44,000 and has taken $35,000 in depreciation. How much and what type of gain will result from this sale?

For 2021, Greg Girardi had a short-term capital loss of $4,000, a short- term capital gain of $1,900, a short-term capital loss carryover from 2020 of $700, a long-term capital gain of $800, and a long-term capital loss of $1,700. What is Greg's deductible loss in 2021? What happens in 2022?