On December 31, 2015, Sparky rendered services to Raider Corporation. In exchange for the services. Raider gave a $40, 000 note and agreed to make ten semi-annual payments of P&l each Jun 30,h and December 31" with the first payment to be made immediately. An interest rate of 8% APR was imputed. On January 1, 2016, Sparky sold a patent to Diamond Corporation in exchange for a $32,000, 6%, 5-year note with interest paid annually each December 31st. Principal will be paid at maturity. Diamond's normal borrowing rate was 9%. The book value of the patent on January 1, 2016 was $21,000. How much interest revenue will be earned over the entire 5-year term of the