I'm using the formula and I got 8% but it seems that is wrong because when i do my calculations under the effective interest method for each period I dont end up with 2,290,000 at the end but Im 99.9% sure the effective interest rate is wrong, can someone please calculate this for me and tell me how you did it. thank you in advance.

Bonita Company sells 8% bonds having a maturity value of $2,290,000 for $2.116.380. The bonds are dated January 1, 2020, and mature January 1, 2025. Interest is payable annually on January 1. Your answer is incorrect. Determine the effective-interest rate. (Round answer to decimal places, eg. 18%.) The effective interest rate eTextbook and Media Assistance Used eTextbook