Computation of Effective Interest Rate On June 30,2019 , Gaston Corporation sold $800,000 of 11% face value bonds for $761,150.96. On December 31,2019 , Gaston sold $400,000 of this same bond issue for $419,797.30. The bonds were dated January 1,2019, pay interest semiannually on each December 31 and June 30 , and are due December 31,2026. Required: Compute the effective yield rate on each issuance of Gaston's 11% bonds. Click here to access the tables to use with this problem. Round your answers to the nearest whole percentage. June 30, 2019 issuance: December 31, 2019 issuance