On January 2, 2020, a calendar-year corporation sold 8% bonds with a face value of $3030000. These bonds mature in five years, and interest is paid semiannually on June 30 and December 31. The bonds were sold for $2796000 to yield 10%. Using the effective-interest method of computing interest, how much should be charged to interest expense in 2020? $242400. $280530. $279600. $303000.