What Factor, Divided by Initial Share Price, Is Used to Calculate

What factor, divided by initial share price, is used to calculate total shareholder return?

A) Total dividend × (Share price at the end of the period - Initial share price)
B) Total dividend × (Share price at the end of the period - Initial share price) 2
C) Dividend per share + (Share price at the end of the period - Initial share price)
D) Dividend per share × (Share price at the end of the period - Initial share price) 2