Maroon Industries has a debt$-$equity ratio of $1\mathrm{.}3.$ Its WACC is $8$ percent, and its cost of debt is $5$ percent.

There is no corporate tax.

a$.$ What is the company's cost of equity capital?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal

places, e$.$g$.,32\mathrm{.}16.$

b$-1.$ What would the cost of equity be if the debt$-$equity ratio were $2?$

Note: Do not round intermediate calculations and enter your answer as a percent rounded to the

nearest whole number, e$.$g$.,32.$

b$-2.$ What would the cost of equity be if the debt$-$equity ratio were $.6?$

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal

places, e$.$g$.,32\mathrm{.}16.$

b$-3.$ What would the cost of equity be if the debt$-$equity ratio were zero?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to the

nearest whole number, e$.$g$.,32.$