Final answer:
Selling stocks and making a profit is an example of earning income from capital gains.
Step-by-step explanation:
An example of earning income from capital gains is selling stocks and making a profit of $3,000. When a person invests money in stocks, they hope that the value of those stocks will increase over time. If the person sells the stocks at a higher price than what they initially bought them for, they will earn capital gains.
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