Alton Corp. purchased ten $1,0003% bonds of Simplex Corporation when the market rate of interest was 10%. Interest is paid semiannually, and the bonds will mature in nine years. Alton paid on the bond investment. Alton Corp. purchased ten $1,0003% bonds of Simplex Corporation when the market rate of interest was 10%. Interest is paid semiannually, and the bonds will mature in nine years. Alton paid on the bond investment