a$.$ What is the relative tax advantage of corporate debt if the corporate tax rate is Tc $=0\mathrm{.}24,$ the personal tax rate is Tp $=0\mathrm{.}10,$ but all equity income is received as capital gains and escapes tax entirely $($TpE $=0)?($Do not round intermediate calculations. Round your answer to $4$ decimal places.$)$

b$.$ How does the relative tax advantage change if the company decides to pay out all equity income as cash dividends that are taxed at $26\%?($Do not round intermediate calculations. Round your answer to $4$ decimal places.$)$