On February 15, 2015, the U.S. Treasury issued a 30-year inflation-indexed bond with a On February 19, 2017, the CPI had increased to 241.40379 What coupon payment was made on February 15, 2017 of0.750%. On the date of issue, the consumer price index (CPI) was 235.48150. Coupon Payment r4 d0 17 Fs