Answer:
a. 12.60%
Step-by-step explanation:
The information given above that can be useful is the Risk Free rate and risk premium to calculation of cost of retained earnings.
We know that the calculation of cost of retained earnings =Cost of retained earnings = Risk Free rate + risk premium
= 8.75% + 3.85%
= 12.6%
Therefore the correct answer is a. 12.60%