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7#
 
 发表于 2012-3-30 10:08 
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| The value of a security market index at the end of December is 1,200. The index returns for the next six months are: 
 | Month | Return |  | January | 3.89% |  | February | 8.76% |  | March | −4.74% |  | April | 6.88% |  | May | −5.39% |  | June | −8.12% | 
 The index value at the end of June is closest to:
 
 
 The index value at the end of June is
 1,200(1.0389)(1.0876)(0.9526)(1.0688)(0.9461)(0.9188) = 1,200.
 Note that the compound rate of return is
 (1.0389)(1.0876)(0.9526)(1.0688)(0.9461)(0.9188)−1 = 0.
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