On January 1. a company issued 9%. 10-year bonds with a face amount of $60 million for $56, 261, 336 90 to yield 10%. Interest is paid semiannually. What was interest expense at the effective interest rate on June 30, the first interest date? (Enter your answers In whole dollars. Round percentage answers to 2 decimal places (i.e., .0234 should be entered as 2.34).)