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 March $31,2012$: How much is interest expense?