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 12.3% with semiannual payments, and will use an investment bank that charges $30 per bond for its services. What is the cost of debt for Kenny Enterprises at the following market prices?

a.$935.65

b.$1,006.13

c.$1,075.21

d.$1,173.73