Which of the following is a false statement about applying the equity method?

A$.$ One of the disclosures necessary under the equity method of accounting for investments is the difference, if any, between the amount at which an investment is carried and the amount of underlying equity in net assets and the accounting treatment of the difference.

B$.$ Depending on the circumstances, an investor may be required to account for an investment in voting common stock under the fairvalue method even though the investor owns more than $20\%$ of the voting common stock.

C$.$ Company A owns $15\%$ of Company B$\text{'}$s voting common stock but did have significant influence until it acquired $10\%$ more. Company A$\text{'}$s investment, results of operations $($current and prior periods presented$),$ and retained earnings should be adjusted prospectively.

D$.$ Company A owns $20\%$ of Company B$\text{'}$s voting common stock and sells $1\%.$ Company A$\text{'}$s investment, results of operations $($current and prior periods presented$),$ and retained earnings should be adjusted retroactively.