A Product Has 32 Parts, the Company Has Produced 13,250

Multiple Choice

A product has 32 parts, the company has produced 13,250 units, and so far, they have had 7,650 customer complaints about quality.
-What will be your best choice for the company's Six Sigma operating level?

A) Better than 5.5
B) Better than 5
C) Better than 4
D) Better than 4.5
E) Better than 3.5