Answer:
the  one share of this stock worth today is $3.15
Explanation:
The computation of the  one share of this stock worth today is shown below:
= Dividend per share Ă· (1 + required rate of return^years) + Dividend per share Ă· (1 + required rate of return^years) + Dividend per share Ă· (1 + required rate of return^years)
= ($1.20 Ă· 1.07^1) + ($1.20 Ă· 1.07^2) + ($1.20 Ă· 1.07^3)
= $3.15
hence, the  one share of this stock worth today is $3.15