Answer:
D. 13.5%
Step-by-step explanation:
Price = D0 * (1 + g)/(r - g)
46 = 1.90 * (1 + 0.09)/(r - 0.09)
46 = 2.071/(r - 0.09)
r - 0.09 = 2.071/46
r - 0.09 = 0.04502173913
r = 0.04502173913 + 0.09
r = 0.1350217391
r = 13.5%
Thus, the cost of common stock is 13.5%