Kenny Enterprises will issue a bond with a par value of $1,000, a maturity of twenty years, and a coupon rate of 7.3% with semiannual payments, and will use an investment bank that charges $20 per bond for its services. What is the cost of debt for Kenny Enterprises at each of the following four market prices?

a.$909.03

b.$1,001.48

c.$1,067.50

d.$1,168.97