need help answer this question

Q 3.17: Lisa is auditing a private company that manufactures batteries for cell phones. While the company has good perpetual inventory records and careful inventory controls, Jennifer is concerned about reported problems with lithium-ion battery fires. It is not clear that the industry has solved these problems. The company has already noted a slowing in sales of one battery model. Which audit strategy or strategies is Lisa most like to take? I. Analytical approach II. Substantive approach III. Reliance approach A Ionly Il and III Ill only D Il only