单项选择题 Assume that the money demand function is (M/P)d = 2,200 – 200r, where r is the interest rate in percent. The money supply M is 2,000 and the price level P is 2. If the price level is fixed and the Fed wants to fix the interest rate at 7 percent, it should set the money supply at: A、1600B、1700C、2000D、2200

单项选择题 fuzzy

单项选择题 在成本决策时要使各种生产要素和各个生产环节都要统一服从于企业的总体成本目标，该原则是（ ）。