How Would Total Shareholders' Equity Be Affected by the Declaration

How would total shareholders' equity be affected by the declaration of each of the following?
$$\begin{array}{l}~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\text { }\\~~~~~ \text {\(\underline{\text{ Stock dividend }}\)~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ \(\underline{\text{ Stock split}}\) }\\\begin{array} { l r l } \text { A) } & \text { no effect} & ~~~~~~~~~~~ ~~~~~~ ~~~~~~ ~~~~~~~\text { increase } \\\text { B) } & \text {decrease } &~~~~~~~~~~~ ~~~~~~ ~~~~~~ ~~~~~~~ \text { decrease } \\\text { C) } & \text { decrease } &~~~~~~~~~~~ ~~~~~~ ~~~~~~ ~~~~~~~ \text { no effect } \\\text { D) } & \text { no effect } & ~~~~~~~~~~~~ ~~~~~~ ~~~~~~ ~~~~~~\text { no effect}\end{array}\end{array}$$