$7$

$1$ point

Given the operations frontier depicted below, which one of the following is NOT true regarding a firm's product offering?

Firm $A$ is operationally effective with high responsiveness, but it sacrifices cost efficiency.

Firm $B$ is operationally effective with both high responsiveness and high cost efficiency.

Firm $C$ does not show best$-$practice performance for given levels of responsiveness and cost efficiency.

Firm $D$ is operationally effective with high cost efficiency.