We need something advanced. You know something that will help us solve a truly tough problem requiring "advanced decision$-$making." Do you remember studying the Amazon case where they faced a monster issues $-$ "same day delivery?" They found that the optimal way to compete with all retail competition was the ability to deliver Amazon products the day they are ordered. To solve this "advanced" problem Amazon deployed an advanced decision$-$making tool. What did we call this tool?

DMAIC

Execution

Lean

Strategic

Six Sigma