monopoly profit Widely respected for its expertise in high-end aluminium glazing products, Fenster was approached by programme-makers and asked to supply a premium-quality sliding door. The marxist theory holds that the profit under the capitalist system is the transformation form or phenomenon of surplus value, which manifests as the balance of commodity value over cost price. That is, the total amount of the proceeds of the sale of the goods by the capitalist exceeds the balance of his prepaid capital. Profit from a home variable capital purchase Labour created in the process of production of surplus value, also is the surplus labor hiring workers create surplus value, can change capital proliferation. But it is manifested in the phenomenon as the capital increase of capital of capital of capital. Gasoline is produced and sold according to the brand name, and the specifications of the brand are regulated by national gasoline product standards and are related to different standards. At present, there are 3 gasoline license plates in China (IV), which are 90, 93 and 97 respectively. The state (V) is 89, 92 and 95 respectively (98 in the appendix). The number of gasoline is divided by octane number. For example, gasoline on 97 refers to a gasoline fuel equivalent to 97 percent of isooctane and 3 percent of n-heptane resistance. The larger the label, the better the anti-knock performance. Depending on the engine compression ratio, you should choose the different brand of gasoline, which will be indicated on the manual of each vehicle. A mid-range sedan with a compression ratio of 8.5-9.5 should generally use the 90 (country IV) gasoline, and the car with a compression ratio of 9.5 should use the gasoline of 93 (country IV). Today, being in the blockchain is like engaging in more grandiose and socially valuable activities. That is why blockchain is emerging, many of which are sold out, and for many, the line between personal and professional interests is becoming blurred.