Given the Following Reactions, AgBr(s) Ag⁺(aq)+ Br^-(aq)

Given the following reactions, AgBr(s) Ag⁺(aq) + Br^-(aq)
K_sp = 5.4 × 10^-13
Ag⁺(aq) + 2 CN^-(aq) Ag(CN) ₂^-(aq)
K_f = 1.2 × 10²¹
Determine the equilibrium constant for the reaction below.
AgBr(s) + 2 CN^-(aq) Ag(CN) ₂^-(aq) + Br^-(aq)

A) 4.5 × 10^-34
B) 1.5 × 10^-9
C) 6.5 × 10⁸
D) 1.2 × 10²¹
E) 2.2 × 10³³