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1. Computation of Effective Interest Rate On June 30, 2019, Gaston Corporation sold $780,000 of 11% face value bonds for $742,122.18. On December 31, 2019, Gaston sold $390,000 of this same bond issue for $409,302.37. 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. DED June 30, 2019 issuance: II % 12 % December 31, 2019 issuance: 10.500) 390.CO 0. 492 SY