On January 1, 2020, Pear issued $100,000 maturity, 10-year, zero-coupon bonds for $17,843. The bonds compounded interest semiannually. Round your answers to the nearest dollar. Show your calculation assumptions for partial credit.

What is the semi-annual yield rate on the bonds at the time of issuance? What is the interest expense recognized in the 2020? Round your answer to the nearest dollar.

The debt footnote for Bear Company reported the following information for their secured debt:

5% notes due 2024 $16,000

4.2% notes due 2030 $15,800

3.6% notes due 2022 $12,000

What is the weighted-average interest rate on the secured debt? Round your answer to one decimal.