can someone calculate this problem? the answer is 6.14%

Zhang Company, an IFRS company sold $8.000.000 of 6% 3-year bonds on January 1, 2016. The bonds pay interest each December 31 2 cost the company 830.000 in bondue costs The bonds were dagar What the effective interest rate for the bonds? A 6.14% 5.86% X 8.5% OD 6.12% Zhang Company, an IFRS company sold $8.000.000 of 6% 3-year bonds on January 1, 2016. The bonds pay interest each December 31 2 cost the company 830.000 in bondue costs The bonds were dagar What the effective interest rate for the bonds? A 6.14% 5.86% X 8.5% OD 6.12%