第4题: [单项选择]某写字楼当前市场售价为22000元/㎡,业主采用年租金6%等比递增方式出租,并希望在20年的出租期内租金收入的现值之和与当前售价相等。如果年利率为6%,则第一年的租金应该确定为( )元/㎡。 A. 1283 B. 1318 C. 1166 D. 1320 参考答案:C 答案解析:折现率与利率相等,选用公式P=nA1/(1+i)计算可得。即A1=P(1+i)/n=22000×(1+6%)÷20=1166(元/㎡)。
A. health and safety are more important than personal freedom B. personal freedom is more important than health and safety C. old people should keep their rooms clean D. one should not take risks dealing with old people 参考答案:A 答案解析:推理题。根据第一段的最后一句,一些社工是这样看的:“…think we are in danger of carrying this concept of personal freedom to th