From Lean Production Simplified, what are the Foundation, Walls, Roof, and Heart of the Lean System Group of answer choices Stability, Standardization, Just-In-Case, Jidoka, Customer Focus, Do As Told Stability, Variation, Just-In-Time, Jidoka, Customer Focus, Involvement Stability, Standardization, Just-In-Time, Jidoka, Customer Focus, Involvement Stability, Standardization, Just-In-Time, Jidoka, Customer Focus, Do As Told Stability, Standardization, Just-In-Case, Haiku, Customer Focus, Involvement