Charter Corp. issued 2,651 debentures with a $1,000 par value and 6% coupon rate.

a. What dollar amount of interest per bond can an investor expect to receive each year from Charter?

b. What is Charter's total interest expense per year associated with this bond issue?

c. Assuming that Charter pays a 21 % corporate tax, what is the company's net after-tax interest cost associated with this bond issue?