The annual interest rate of Marcella's savings account is 7.2%, and simple interest is calculated semiannually. The periodic interest rate of Marcella's account will be C. 3.6%.
= 7.2% / 2
= 3.6%
Here are the following choices:
A. 0.8%
B. 1.2%
C. 3.6%
D. 0.4%
