According to Drucker, All Are Valid Management Statements for Productivity

Multiple Choice

According to Drucker, all are valid management statements for productivity except __________.

A) "Efficiency is doing better what is already being done."
B) "There is nothing so useless as doing efficiently that which should not be done at all."
C) "Today knowledge has power. It controls access to opportunity and advancement."
D) all are Drucker's valid statements