D1 = $ 1.25
P0 = $ 27.50
g = 5 % = 0.05
F = 6 % = 0.06
Cost of equity, re = D1/ {P0 x (1- F)} + g
               = $ 1.25 / {$ 27.50 x (1- 0.06)} + 0.05
               = $ 1.25 / ($ 27.50 x 0.94) + 0.05
               = $ 1.25 / 25.85 + 0.05
              = 0.048356 + 0.05
              = 0.098356 or 9.84 %