A strict administrative hierarchy, functional division of work, and clear lines of authority are key concepts primarily associated with which management thinker?

Consider the following statements regarding the ideas of Peter Drucker about management: (A) He believed that the term 'management' is generic. (B) He described management as a liberal art. (C) He introduced the concept of the 'knowledge worker'. (D) The concept of 'Management by Objectives' (MBO) was formulated by him. Choose the correct answer from the options given below:

According to Peter Drucker, which of the following are the 'Sins' of public service institutions that contribute to non-performance? A. Dogmatism / Having a lofty high-minded goal B. Attempting to do several things at once C. Believing that fat-budgeting or large size is an achievement D. Dogmatic optimization of employee strength Choose the most appropriate answer based on Drucker's standard definitions: