NO.PZ2018062018000069
问题如下：
A firm issued a discount bond, under the effective interest rate, least likely correct:
选项：
A.interest payment is constant.
B.interest expense decrease.
C.interest expense increase.
解释：
B is correct, if company issued a premium bond, interest expense decreases each year.
老师这个题什么意思没懂 能不能详细解析一下 谢谢！
