On June 30, Year 7, King Co. had outstanding 9%, $5,000,000 face value bonds maturing on June 30, Year 9. Interest was payable semiannually every June 30 and December 31. On June 30, Year 7, after amortization was recorded for the period, the unamortized bond premium was $30,000. On that date, King acquired all its outstanding bonds on the open market at 93 and retired them. At June 30, Year 7, what amount should King recognize as gain before income taxes on redemption of bonds