Rational design of three different career types, each occupation to define a type described. Define an abstract base class for all these people, in which the definition of a pure virtual function professional identity as all functional interfaces.

55\55.dsw
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..\Debug\vc60.idb
..\.....\vc60.pdb
..\.....\55.pch
..\.....\55.ilk
..\.....\55.exe
..\.....\55.pdb
..\.....\55.obj
..\55.plg
..\55.cpp
..\55.dsp
..\55.opt
..\Debug
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