Tano issues bonds with a par value of $80,000 on January 1. 2013. The bonds' annual contract rate is 8%. and interest is paid semiannually on June 30 and December 31. The bonds mature in three years. The annual market rate at the date of issuance is 10%. and the bonds are sold for $75,938. What is the amount of the discount on these bonds at issuance? How much total bond interest expense will be recognized over the the of these bonds