Balance the Following Redox Reaction Under Acidic Aqueous Conditions Using $\to$

Balance the following redox reaction under acidic aqueous conditions using the smallest whole-number coefficients possible.What is the coefficient of HSO₃^-? MnO₄^-(aq) + HSO₃^-(aq) $\to$ Mn²⁺(aq) + SO₄^2-F(aq)

A) 1
B) 2
C) 3
D) 5
E) 10