Solid Potassium Chlorate Readily Decomposes in the Presence of a Catalyst

Solid potassium chlorate readily decomposes in the presence of a catalyst and heat to form oxygen gas and potassium salt. What is the correct balanced reaction?

A) 2KClO₃s) $\rightarrow$ 2KCls) + 3O₂g)
B) KClO₄s) $\rightarrow$ KCls) + 2O₂g)
C) KClO₃s) $\rightarrow$ KCls) + 3Og)