Assertion (A) : Rule of Thumb means decisions taken by manager as per their personal judgements.
Reason (R) : Decisions should be based on scientific enquiry with cause and effect relationships.
Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true