Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Troponins become detectable in 2 to 4 hours in circulation in cases of MI.
Reason (R) : In myocardial infarction, cellular enzymes leak into the blood.
In the light of the above statements, choose the most appropriate answer from the options given below: