| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | cannabis output and gross domestic product at annual rates, 2018 |  |  |  |  |
| 3 |  | first quarter | second quarter | third quarter | fourth quarter |
| 4 |  | millions of dollars |  |  |  |
| 5 | gross domestic product at market prices | 2,194,432 | 2,214,392 | 2,238,188 | 2,223,144 |
| 6 | of which: cannabis-related | 6,620 | 7,139 | 7,692 | 8,636 |
| 7 | of which: other | 2,187,812 | 2,207,253 | 2,230,496 | 2,214,314 |
| 8 |  | percentage change |  |  |  |
| 9 | gross domestic product at market prices | 0.5 | 0.6 | 0.8 | 0.1 |
| 10 | of which: cannabis-related | 5.2 | 7.6 | 6.2 | 10.7 |
| 11 | of which: other | 0.5 | 0.6 | 0.7 | 0.1 |

Question: what is the ratio of cannabis-related expenditures including inventory changes to gdp in the fourth quarter?
Answer: 0.003885