please help solve $,$ and I need the answers for a $,$ b$,$ and c$,$ and d need correct answers only please solve only $1$ attempt.Cost of debt. Dunder$-$Mifflin, Inc. $($DMI$)$ is selling $600,000$ bonds to raise money for the

publication of new magazines in the coming year. The bond will pay a coupon rate of $9\mathrm{.}3\%$ with

semiannual payments and will mature in $30$ years. Its par value is $$100.$ What is the cost of

debt to DMI if the bonds raise the following amounts $($ignoring issuing costs$)?$

a$.$ $$57,222,000$

b$.$ $$51,192,000$

c$.$ $$62,628,000$

d$.$ $$82,770,000$

a$.$ What is the cost of debt to DMI if the bonds raise $$57,222,000?$

$\%($Round to two decimal places.$)$