As the assistant to the CFO of Johnstone Inc., you must estimate its cost of common equity. You have been provided with the following data: D0 = $0.80; P0 = $22.50; and gL = 8.00% (constant). Based on the dividend growth model, what is the cost of common from reinvested earnings?a. 10.69%b. 11.25%c. 11.84%d. 12.43%e. 13.05%