问题
单项选择题
A local bank advertises that it will pay interest at the rate of 4.5 percent, compounded monthly, on regular savings accounts. What is the effective rate of interest that the bank is paying on these accounts（）
A.4.59%.
B.4.50%.
C.4.65%.
答案
参考答案：A
解析：
045/12)12-1=1.0459-1=0.0459.