You bought a 4.375% at 96.38 30-year U.S. Treasury bond in May. By December in the same year, the bond price reached 138.05%. What is your holding-period return if you sell the bond in December? You bought a 4.375% at 96.38 30-year U.S. Treasury bond in May. By December in the same year, the bond price reached 138.05%. What is your holding-period return if you sell the bond in December