Lopez Plastics Co. (LPC) issued callable bonds on January 1, 2021. LPC's accountant has projected the following amortization schedule from issuance until maturity: Date Cash Effective Decrease in Outstanding
interest interest balance balance
1/1/2021 $207,020
6/30/2021 $7,000 $6,211 $789 206,230
12/31/2021 7,000 6,187 813 205,417
6/30/2022 7,000 6,163 837 204,580
12/31/2022 7,000 6,137 863 203,717
6/30/2023 7,000 6,112 888 202,829
12/31/2023 7,000 6,085 915 201,913
6/30/2024 7,000 6,057 943 200,971
12/31/2024 7,000 6,029 971 200,000
What is the annual stated interest rate on the bonds?
a. 3.5%
b. 6%
c. 7%
d. none of the above