|                                                                               |   | Three Months Ended |       |   | Six Months Ended |   |
|------------------------------------------------------------------------------------|--------|--------------------|------------|--------|------------------|--------|
|                                                                               |   | June 30,           |       |   | June 30,         |   |   | June 30, |   |   | June 30, |   |
|                                                                               |   | 2009               |       |   | 2008             |   |   | 2009 |   |   | 2008 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |
| Profit                                                                             |   | $                  | 89         |   |             | $      | 130 |   |   | $ | 140 |   |   | $ | 254 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Add:                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
|   Provision for income taxes                                             |   |               | 29         |   |             |   | 46 |   |   |   | 45 |   |   |   | 105 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Deduct:                                                                            |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
|   Partnership income                                                     |   |               | -          |   |             |   | (1 | ) |   |   | - |   |   |   | (3 | ) |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Profit before income taxes and partnership income                                  |   | $                  | 118        |   |             | $      | 175 |   |   | $ | 185 |   |   | $ | 356 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Fixed charges:                                                                     |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
|   Interest expense                                                       |   | $                  | 272        |   |             | $      | 278 |   |   | $ | 554 |   |   | $ | 563 |   |
|   Rentals at computed interest*                                          |   |               | 2          |   |             |   | 1 |   |   |   | 3 |   |   |   | 3 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Total fixed charges                                                                |   | $                  | 274        |   |             | $      | 279 |   |   | $ | 557 |   |   | $ | 566 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Profit before income taxes plus fixed charges                                      |   | $                  | 392        |   |             | $      | 454 |   |   | $ | 742 |   |   | $ | 922 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of profit before income taxes plus  fixed charges to fixed charges |   |               |  1.43 |   |             |   |  1.63 |   |   |   |  1.33 |   |   |   |  1.63 |   |
|                                                                               |   |               |       |   |             |   |   |   |   |   |   |   |   |   |   |   |