Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion (A): Halogenation of 2-methyl propane gives (CH₃), CHCH₂X (Minor) and (CH3)3, C-X (Major) with chlorination giving a larger amount of minor product then bromination. Reasons (R): Tertiary free radicals are more stable than primary ones. In the light of the above statements, choose the correct answer from the options given below: