Exactly one of these statements is false. Indicate which one.

A$.$

In the $$Five$-$Forces$$ model, the power of buyers is low when product differentiation of suppliers is high.

B$.$

In the $$Five$-$Forces$$ model, the power of buyers is low when concentration of buyers relative to supplier is high.

C$.$

In the $$Five$-$Forces$$ model, the power of buyers is low when threat of backwards integration by buyer is low.

D$.$

In the $$Five$-$Forces$$ model, the power of buyers is low when the importance of supplier$$s input to the quality of the buyer$$s final product is high.