Question 4 of 75 . In 2022, Brock purchased two shares of common stock in a pharmaceutical company. He paid $100 for one share and $120 for the next share. Later in the year, the company declared a 2 -for-1 common stock split. What is Brock's new basis in his shares of stock? Two shares at $50 a share and two shares at $60 a share. Four shares at $55 a share. Two shares at $100 a share and two shares at $120 a share. Four shares at $110 a share. Mark for follow up Next