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某企业有一台精密仪器原值为20000元，根据分析和预算，其逐年实际残值均为下表所示：使用年限1234567维持费用2000300035004000500060008000实际残值12000800060004500350020001000 根据上述资料，回答下列问题： 该仪器最少的年度的使用费为( )元。
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Conventional wisdom says that it is better to be a large company than a small one when credit is tight. Bigger firms have more room for maneuver(机动):They have access to more types of funding, they have more fat to cut, and they have greater bargaining power with lenders. Even so, life is getting ever more uncomfortable for the bigger beasts of the corporate jungle.According to the Federal Reserve’s most recent lending survey, American banks are tightening terms more aggressively for bigger firms than for smaller ones. Lenders are more cautious than theyhave been at least since 1990. The story among European banks is similar. Lenders in emerging markets can be more suspicious of multinational firms than they are of locals. "We just don’t know what they’ve got on their balance-sheets back home," says one bank boss in Africa.Violent movements in exchange rates are causing additional headaches, says Andrew Balfour of Slaughter & May, a law firm. Calculations of financial ratios can be thrown out by wild currency movements, potentially triggering breaches of loan agreements. Companies with sterling-denominated credit lines may find that their facilities are not big enough as a result of the pound’s recent sharp fall, for instance.It is not panic stations yet. Most firms can survive for a while with the credit tap turned off. Analysis by Moody’s, a rating agency, shows that the vast majority of highly rated companies in America and Europe have enough headroom, in the form of cash and undrawn bank facilities, to be able to survive for 12 months without needing new financing. European corporate-debt markets have seen a rare flurry(惊慌) of issues in the past few days by opportunistic, highly rated firms.Governments are also working hard to prop up credit markets. The Fed’s program to buy commercial paper, a form of short-term company debt, had acquired almost ＄300 billion by November 26th. Banks on both sides of the Atlantic are issuing lots of government-backed bonds, which should encourage lending. It is believed to be easier for bigger companies during the tight period, for they have larger space for （）.
小儿疳积的针灸治则是
符合“劳者温之”治法的代表方是
某公司为了开拓市场产品，公司成立了新产品部负责新产品的设计开发，希望通过开发适销对路的新产品，以改善面临的困境。 根据上述材料，回答下列问题： 设立新产品总的主要优点有( )。
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