please help out, i still do not understand how to calculate the Premium amortization and the carrying value of bonds.

On January 1.2025, Vaughn Company sold 12% bonds having a maturity value of $750,000.00 for $869,778.90, which provides the bondholders with a 8% yield. The bonds are dated January 1,2025 , and mature January 1,2030 , with interest payable December 31 of each year. Vaughn Company allocates interest and unamortized discount or premium on the effective-interest basis. Click here to view factor tables