DeKay Dental Supplies issued $10,000 of bonds on January 1, 2018. The bonds pay interest semiannually. This is a partial bond amortization schedule for the bonds Effective Decrease in Outstanding Payment Cash interest balance 400 400 400 400 409 409 409 410 balance 9,080 9,089 9,098 9,107 9,117 10 What is the stated annual rate of interest on the bonds?
a) 4.5%.
b) 9.0%.
c) 40%.
d) 80%.