non for profit hospital It's easy to figure out that businesses typically exploit human resources to acquire increasing profits. /Salary deduction, overwork without pay and refusal to award promotion are perceived as normal things in the majority of companies, which overly stretch the labor force at the expense of personnel loss. /The advertising agency provides the relevant example to clarify the point. The account executive is responsible for the communication between the clients and designer, who undertakes the critical duty. However, the persons on the position works overnight but get the minimum wage above the bottom line of society. Therefore, the rate of labor loss in advertising industry marks high notoriously. Overusing human resources definitely means the sacrifice of employee's loyalty. (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. During the depression, the rate of interest reduction, the expansion of money supply, stimulate economic development. During the expansion period, the interest rate increases, the money supply is reduced, and the economic development is suppressed. So, interest rates have a big impact on our lives. In general, us interest rates fall and the dollar weakens. Us interest rates rise and dollar trends favour. A change in the price of U.S. Treasury bills, especially long-term Treasury bills, can help to predict the direction of the U.S. dollar. If investors think the us inflation is under the control, then under the existing Treasury bonds interest rate to attract, especially short-term Treasury bills, will attract investors, bond prices to rise.