问题
单项选择题
An analyst does research about financial leverage and gathers the following information about a company:
| Units produced and sold in 2010 | 150000 |
| Degree of operating leverage at 150000 units | 2.5 |
| Degree of financial leverage | 2.0 |
| Expected growth rate of unit sales in 2011 | 10% |
A. 20%.
B. 25%.
C. 50%.
答案
参考答案：B
解析：
根据如下公式：
，可得：change in operating income=DOL×change in sales=2.5×10%=25%.