On January 1 of Yeart. Congo Express Airways Issued $3.500.000 of 7% bonds that pay interest semiannually on January 1 and July 1. The bond issue prices $3,197 389 and the market rate of interest for similar tonds is 8% The bond premium or discount is being amortized using the straight-line method at a rate of $10.087 every six months. The life of these bonds is Multiple Choice 15 years 30 years 26 5 years 32 years