1. A company issues $15600000, 5.8%, 20-year bonds to yield 6% on January 1, 2020. Interest is paid on June 30 and December 31. The proceeds from the bonds are $15239410. What is interest expense for 2021, using straight-line amortization? 2. A company issues $25400000, 5.8%, 20-year bonds to yield 6% on January 1, 2020. Interest is paid on June 30 and December 31. The proceeds from the bonds are $24812889. Using effective interest amortization, how much interest expense will be recognized in 2020? 3. A company issues $25350000, 7.8%, 20-year bonds to yield 8% on January 1, 2019. Interest is paid on June 30 and December 31. The proceeds from the bonds are $24848252. Using straight- line amortization, what is the carrying value of the bonds on December 31, 2021? 4. On October 1, 2020 Oriole Company issued 6%, 10-year bonds with a face value of $8030000 at 104. Interest is paid on October 1 and April 1, with any premiums or discounts amortized on a straight-line basis. Bond interest expense reported on the December 31, 2020 income statement of Oriole Company would be