Sunil Was Illustrating the Ease with Which the Gear Shift

Sunil was illustrating the ease with which the gear shift lever on his company's newly designed lawn mower can be repaired when the bolt holding the lever to the body of the mower would not budge even after a good dosage of lubricant. What is the most appropriate way for Sunil to handle this situation?

A) Find himself a more reliable company to work for.
B) Immediately call his company's vice-president of production and request an explanation.
C) Take a humorous tone and realize mistakes do happen.
D) Write the buyer a personal letter of apology.
E) Recognize the sale is lost.