What is the relative tax advantage of corporate debt if the corporate tax rate is Tc$=0\mathrm{.}21$

$,$ the personal tax rate on interest is TpD$=0\mathrm{.}12$

$,$ but all equity income is received as capital gains and escapes tax entirely $($ TpE$=0$

$)?$

How does the relative tax advantage change if the company decides to pay out all equity income as cash dividends that are taxed at $20\%?$

Note: Do not round intermediate calculations. Round your answers to $4$ decimal places.