ABC Corporation announced that it would pay a dividend to all shareholders of record as of Monday, April 5,2010 . It takes three business days for the new owners of a share of stock to be registered. a. When was the ex-dividend day? b. When was the last day an investor could purchase ABC stock and still get the dividend payment? a. When was the ex-dividend day? (Select the best choice below.) A. March 30 B. April 1 C. April 3 D. April 4 b. When was the last day an investor could purchase ABC stock and still get the dividend payment? (Select the best choice below.) A. April 4 B. April 3 C. March 31 D. March 29