Can you please provide detail step by step working please?

Riddle Industries has the following parameters related to its stock and firm. Beta: Recent Dividend Dividend Growth Rate Expected return on market Treasury Bills Yield Most recent stock price 1.1 1.05 dollars 4.5 percent 11.0 percent 4.3 percent 64.00 dollars What is the cost of equity using DDM? What is the cost of equity using SML? 6.21 percent. 11.67 percent O 6.01 percent. 7.37 percent 4.5 percent 11.00 percent ? 7