Why is informal rule making used more often than other methods?

Question

Quizplus · Accepted Answer

A)Informal rule making is most often used because it is more efficient for the
agency in terms of time and cost.No formal public hearing is required,and no formal record need be established.
B)Informal rule making is most often used because it is more efficient for the agency in terms of time and cost.No formal public hearing is required,and no formal record need be established.
C)Informal rule making is most often used because it is more efficient for the agency in terms of time and cost.No formal public hearing is required,and no formal record need be established.
D)Informal rule making is most often used because it is more efficient for the agency in terms of time and cost.No formal public hearing is required,and no formal record need be established.
E)Informal rule making is most often used because it is more efficient for the agency in terms of time and cost.No formal public hearing is required,and no formal record need be established.

Why Is Informal Rule Making Used More Often Than Other