Which of the following statements is NOT true about a cost leadership strategy?

a$.$ It can be easily imitated.

b$.$ It emphasizes cost parity.

c$.$ It focuses on creating a low$-$cost position relative to a firm's peers by achieving cost minimization in value$-$chain activities.

d$.$ One factor often central to a cost leadership strategy is the experience curve, which refers to how business learns to lower costs as it gains experience with production processes over time.