Lopez Plastics Co. (LPC) issued callable bonds on January 1, 2018. LPC's accountant has projected the following amortization schedule from issuance until maturity: Cash interest Effective interest Decrease in Date 1/1/2018 6/30/2018 12/31/2018 6/30/2019 12/31/2019 6/30/2020 12/31/2020 6/30/2021 12/31/2021 Outstanding balance $207,020 206,230 205,417 204,580 203,717 202,829 201,913 200,971 200,000 balance S 7,000 7,000 7,000 7,000 7,000 7,000 7.000 7,000 S6,211 6,187 6,163 6,137 6,112 6,085 6.057 6,029 S 789 813 837 863 915 943 971 LPC issued the bonds Cannot be determined from the given information At a premium At par At a discount