Price elasticity of demand is determined by:
- The availability of close substitutes (A)
- Whether the good is a necessity or luxury (B)
- Definition of the market (C)
- Time Horizon (D)
Match List-I (Management Theories/Principles) with List-II (Management Thinkers): 
Arrange the following needs in the order in which they appear in the Maslow's Hierarchy of Needs, starting from bottom to top.
(A) Social
(B) Physiological
(C) Esteem
(D) Safety