Correct answer is C. Please explain how to solve.

1. The following are four dates that are related to a firm's regular quarterly cash dividend equal to $1 per share. Assume you want to receive the $1 dividend, but you do not currently own the stock. What is the latest day that you can buy the stock and still ensure that you will receive the $1 dividend? (Assume all the days listed below and all the days given in the possible answers are business days in which the stock market is open.) Declaration date Jan 27, 2021 (Wed) Ex-Date Feb 10, 2021 (Wed) Record Date Feb 11, 2021 (Thurs) Payment Date Feb 24, 2021 (Wed) A. Jan. 26, 2021 (Tues) B. Jan. 27, 2021 (Wed) C. Feb. 9, 2021 (Tues) D. Feb. 10, 2021 (Wed) E. Feb. 11, 2021 (Thurs) F. Feb. 12, 2021 (Fri) G. Feb 23, 2021 (Tues) H. Feb 24, 2021 (Wed)