Cheapest-to-Deliver Bond

Today is July 1. You hold a November Treasury bond futures contract with a price of 92:15 (i.e., 92 plus [15/32]), with a delivery date of November 15 in the same year. You have identified the two bonds below that could be used for delivery against the futures contract:

two bonds below that could be used for delivery against the futures contract. Bond A Bond B Maturity 26.5 years 31 years Coupon rate 5% 8.5% Asking price 93:2 144:13 Coupon dates April 15, October 15 June 15, December 15 Callable? No No