A firm wishes to issue a perpetual callable bond. The current interest rate is 7%. Next year, the interest rate will be 6.5% or 8.25% with equal probability. The bond is callable at $1,075, and it will be called if the interest rate drops to 6.5%. What is the correct coupon amount if the bond is priced to sell at par? a. $ 65.00 b.$ 75.42 c. $ 82.50 d.$ 87.86 e. None of the above