题目内容：
The cost of using the telephone, which involves a flat rate per monthplus a fee for extra usage, would be considered a:A、
step cost
B、
fixed cost
C、
variable cost
D、
mixed cost
参考答案：
选择题：The cost of using the telephone, which involves a
- 题目分类：郑州航空工业管理学院-管理会计学
- 题目类型：选择题
- 查看权限：VIP
A、
step cost
B、
fixed cost
C、
variable cost
D、
mixed cost