Sara owns 60 percent of the stock of Lea Corporation. Unrelated individuals own the remaining 40 percent. For a stock redemption of Sara's stock to be treated as an exchange under the "substantially disproportionate" test, what percentage of Lea stock must Sara own after the redemption? Any percentage less than 60 percent Any percentage less than 50 percent Any percentage less than 48 percent All stock redemptions involving individuals are treated as exchanges