On June 30, 2019, Gaston Corporation sold $740,000 of 11% face value bonds for $778,404.66. On December 31, 2019, Gaston sold $520,000 of this same bond issue for $495,833.06. 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: fill in the blank 1 % December 31, 2019 issuance: fill in the blank 2 %