Answer:
Capital gain
Step-by-step explanation:
The capital gain is the gain that arises from selling the stock, bond, capital assets. It also show the upward in the price of the capital assets, stock, bond, etc
The capital gain is a gain when the sale price exceeds the purchase price. In other words, it is a difference between the sale price and the purchase price. It can also rise
So according to the given situation, the stock buys at $2,800 and the prices are gone up by $900 so this represents the capital gain