Consider the case of BTR Co.: BTR Co. has 9% annual coupon bonds that are callable and have 18 years left until maturity. The bonds have a par value of $1,000, and their current market price is $980.35. However, BTR Co. may call the bonds in eight years at a call price of $1,060. What are the YTM and the yield to call (YTC) on BTR Co.'s bonds? YTM YTC Value If interest rates are expected to remain constant, what is the best estimate of the remaining life left for BTR Co.'s bonds? 13 years 8 years 5 years 18 years 7.93% 9.23% 8.55% 9.89% If BTR Co. issued new bonds today, what coupon rate must the bonds have to be issued at par? 9.89%