It is short-term profit to reduce with your principal and profit.

Profit refers to the balance of income after deducting cost, price and tax, which is the operating result of entrepreneurs, the comprehensive reflection of the operating effect of enterprises and the concrete embodiment of their final results.

Marxist theory holds that the profit under the capitalist system is the transformation form or phenomenon form of surplus value, which is manifested as the balance of commodity value exceeding cost price.