According to Peter Drucker, which of the following are the 'Sins' which contribute to non performance?
A. Dogmatism
B. Having lofty objectives
C. Attempting to do several things
D. Less number of employees.
Choose the most appropriate answer from the options given below:
1
A, B, C and D only
2
B, C and D only
3
A, B and C only
4
C and D only