On July 1, 2021, Hall Co. acquired a noncurrent investment in bonds. It paid $11,490,800 for 8%, 10-year bonds with a face amount of $10 million. Interest is paid semiannually on December 31 and June 30, and the effective interest rate is 6%. Assuming the effective-interest method is used to account for the investment, the carrying amount of the bonds at December 31, 2021, is