Solve the Problem $36 : 1$ B) $1 : 35$ C) $35 : 1$

Solve the problem.
-Suppose you are playing a game of chance. If you bet $7 on a certain event, you will collect $252 (including your $7 bet) if you win. Find the odds used for determining the payoff.

A) $36 : 1$
B) $1 : 35$
C) $35 : 1$
D) $252 : 259$