What is the amortization schedule for a company that issues $500,000 of 8%, four-year bonds, dated May 1, 2006? Additional information: All the bonds were sold on that date when the effective interest rate was 10%. Interest is payable on May 1 and November 1 each year. The company follows a policy of amortizing premium or discount using the straight-line method. The company closed its books on December 31 of each year.