The equity method of accounting for a stock investment should generally be used when the investor owns 20%-50% of the investee's stock, because that level of stock ownership:

A) usually indicates a plan to acquire a controlling interest of the investee company

B) requires the investor to notify the government of any plans to acquire a controlling interest in the investee company

C) means the investor has a controlling interest in the investee company

D) gives the investor significant influence over the investee company