Consider the given reaction
`RCOOAgoverset(Br_(2)//Delta)toR-Br`
Which one of the following aicd will give maximum yield of R-Br in the above reaction?
A. `CH_(3)-underset(CH_(3))underset(|)(C)H-COOH`
B. `CH_(3)-CH_(2)-CH_(2)-COOH`
C. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-COOH`
D. all will give same yield