Six Flags (NYSE: SIX) has $2.1 billion of total debt and $4.9 billion of total equity. Its common stock has a required return of 11.1% and its cost of debt is 4%. Six Flags faces a marginal corporate tax rate of 40%. Based on the information above, what is the cost of capital of Six Flags? a. 7.09% b. 8.25%. c. 8.49%. d. 8.97% c. 10.31% f. None of the above is correct. ii. Six Flags is thinking about opening a new park in Worcester. It's estimated that the Worcester Park would have an Internal Rate of Return (IRR) of 9%. Based on your answer in (i), is it a good idea to open the Worcester Park