Cost of debt with fees. Kenny Enterprises will issue a bond with a par value of $$1,000,$ a maturity of twenty years, and a coupon rate of $8\mathrm{.}0\%$ with semiannual payments, and will use an investment bank that charges $$25$ per bond for its services. What is the cost of debt for Kenny Enterprises at the following market prices?

a$.$ $$920$

b$.$ $$1,000$

c$.$ $$1,080$

d$.$ $$1,173$

a$.$ What is the cost of debt for Kenny Enterprises at a market price of $$920?$

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