a perfectly competitive firm earns a profit when price is In general, the banking sector is healthier. While some banks are struggling, many banks have experienced improvements in operations. The following outstanding banks are chosen as based on eight measures on financial health including net interest margin, return normally equity, nonperforming loans, and reserves as being a percentage of NPLs. Profit is not only the same in quality, but also the essence of profit. Profit is the form of corporate profit, and is also equal in quantity. The difference in profit is that for variable capital, profit is for all costs. Once earnings into profits, therefore, the origin of profits and material production is made it is a reflection of the "(" the complete works of Marx and Engels in volume 25, page 56), and thus has the various forms of money. In capitalist society, the essence of profit is: it is the product of capital, it has nothing to do with labor. In 2017, we have seen: Data shows, Ziddu COINS contract is a kind of intelligence, currencies, such as COINS and etheric lane, make customer Ziddu COINS can be transformed to the currency or the etheric, and putting the proceeds for working capital needs. Small and medium-sized enterprises, processors, manufacturers, importers and exporters can through this contract form in each big market using encryption currency, earnings at the end of the contract, and through an encrypted monetary capital, interest rates will range from 12% to 48%. 5. Accounting earnings depend on the reasonable proportion of income and expenses during the period. Costs that are not associated with the current period should be incurred as assets to be transferred for later periods.