An analyst does research about a sensitivity analysis to determine about a potential real estate investment and gathers the following information:
| Discounted Rate | Present Value of After-tax Cash Flows |
| 21% | $144712 |
| 25% | $124343 |
| 31% | -$107747 |
| 33% | -$121350 |
If the purchase price is $500000 with debt financing, the yield (internal rate of return) of the investment is most likely greater than:（）
A. 21% but less than 25%.
B. 25% but less than 31%.
C. 31% but less than 33%.