As the assistant to the CFO of Johnstone Inc., you must gL-8.00% (constant). Based on the dividend growth model, what is the cost of common from reinvested earn n s? O a. 11.25% O b. 13.05% OR 11.84% O d. 10.69% 0 e 12.43% estimate its cost of common equity, You have been provided with the following data: Do S0.80: P $22.50, and