A stock sale is substantially disproportionate if:

$($A$)$

The shareholder owns less than $50\%$ of the voting power of the stock after the sale, and

the shareholder's ownership of the corporation's voting stock after the sale is less than

$80\%$ of their voting stock ownership before the sale.

The shareholder owns less than $80\%$ of the voting power of the stock after the sale, and

the shareholder's ownership of the corporation's voting stock after the sale is less than

$80\%$ of their voting stock ownership before the sale.

the shareholder owns less than $50\%$ of the voting power of the stock after the sale, and

the shareholder's ownership of the corporation's voting stock after the sale is less than

$50\%$ of their voting stock ownership before the sale.

None of the above