The Smart Company sold $$500,000$ of $8$ percent, $20-$year bonds on April $1,2011,$ at $105.$The semiannual interest payment dates are March $31$ and September $30.$

The market interest rate is $7\mathrm{.}5$ percent. The company$$s fiscal year ends September $30.$ Use the effective interest method to calculate the amortization. With regard to the bond interest payment on September $30,2011$: How much is interest expense?