以人工费和机械费合计为计算基础的间接费计算公式为:间接费=人工费和机械费合计×企业管理费费率(%)。( )
参考答案:错
Computers of today can work than the ones in the 1970s.
A.hundred of times faster
B.a hundred time faster
C.hundred times faster
D.hundreds of times faster