Arrange the following steps in the process of delegation of authority in the correct order.
(A) Assigning tasks to the position
(B) Determining the results expected from a position
(C) Delegating authority for accomplishing the tasks
(D) Holding the person in that position responsible for the accomplishment of tasks
Match List-I with List-II

Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world