Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Potassium may be supplemented by IV route at a rate over 0.5mEq/kg/hour in animals.
Reason (R): Adverse cardiac effects can occur above 0.5mEq/kg/hour rate.
In light of the above statements, choose the correct answer from the options given below.