Tomkin Library System issues $5 million in bonds on January 1, 2021 that pay interest semi- annually on June 30 and December 31. A portion of the bond amortization schedule appears below: Date Cash Paid Interest Expense Decrease in Carrying Value Carrying Value 01/01/2021 $ 5,500,000 06/30/2021 $ 250,000 $ 220,000 $ 30,000 5,470,000 12/31/2021 250,000 218.800 31,200 5,438,800 The bonds were issued at: Cannot be determined from the given information A premium A discount Face amount