单选题
An analyst gathered the following information about a company:
| Net profit margin | 4% |
| Shareholders' equity | $1000000 |
| Dividend payout ratio | 33% |
| Total assets | $2500000 |
| Net income | $180000 |
The company's potential (sustainable) growth rate is closest to:
A. 2.6%. B. 7.0%. C. 12.0%.