Chandler Is a Manager at Zion Inc

Chandler is a manager at Zion Inc., a Canadian smartphone manufacturing company. Chandler believes that Zion should procure smartphone components from abroad instead of producing them in-house. Which of the following statements supports his belief?

A) Making components in-house requires a company to standardize its products and processes that leads to increased production costs.
B) Making components in-house does not offer a company control of sensitive knowledge.
C) Making components in-house requires a company to develop production expertise that takes considerable time and effort.
D) Making components in-house prevents companies from making stable price estimates.