Mercury Homes Just Declared a 4-For 3 Stock Split

Mercury Homes just declared a 4-for 3 stock split. Which of the following occurred as a result of this split? I. number of shares outstanding increased by 1/3
II) number of shares outstanding decreased by 1/4
III) price per share increased by 1/3
IV) price per share decreased by 1/4

A) I only
B) I and III only
C) I and IV only
D) II and III only
E) II and IV only