which of the following best explains the profit motive Charlotte Nelson, of Moneyfacts, said: "only 56 providers of SVR went up, seven of which raised their interest rates by less than 0.25 percentage points, resulting in a more modest rise in average SVR. The European central bank's interest rate and previous decision to taper its bond purchases have been stable: capfafenbach 1. The accounting income is based on the actual economic business of the enterprise, and the sales revenue obtained from selling products or providing services is deducted from the cost of actual sales revenue. These economic businesses include both external and internal transactions. Business activities with the outside world transfer the assets or liabilities of an enterprise, since it is usually a direct monetary income, so its measurement is generally accurate. The use or transfer of assets within an enterprise, as a result of a non-direct monetary balance, is usually not accurate. According to traditional accounting views, changes in market prices or expected prices are not included in the transfer of internal assets. When a transaction occurs, the price of an old asset is usually transferred to the new asset, which is the measurement of the proceeds of the transaction. The transaction method automatically deduces the process of determining income during sales or trading, as well as the cost transfer practice in accounting. But how long can anyone support "god and the gun" at the cost of "bread and butter"? The meditationist populists who presided over the Roman empire knew that the populist mob needed material and diversion: bread and circuses. Angry twitter makes no sense to those who can barely afford to live with dignity, let alone tickets to the modern Colosseum to watch football matches. (3) monetary benefits -- increase the monetary value of assets. There are both measurable and unquantifiable benefits in these three different forms of income. Among them: mental income is too strong to measure, monetary gain is easy to measure because of the static concept of value change. Economists, therefore, focus only on actual earnings. After August 1987, for example, as the dollar fell, people rushed to buy sterling, the high-yielding currency, which rose from $1.65 to $1.90 in a very short time, up almost 20%. In order to limit the rise in the pound, the UK cut interest rates for several consecutive times between may and June 1988, falling from 10% to 7.5%, with the pound falling every time it cut interest rates. But the pound began to pick up again after the bank of England was forced to raise interest rates several times as the pound weakened too quickly and inflationary pressures increased. Before that, what is the nature of the enterprise itself is an issue that has been ignored by traditional microeconomic theory. In the traditional microeconomic theory, is the manufacturer's production process as a "black box", namely enterprise is abstracted into a from input to output a "black box" of the pursuit of profit maximization. But in order to better future, we must expand the definition of the word "profit", the economic benefits and social benefits are included, and understand that block chain itself is a social innovation of technical solutions.