| by using an electronic storage system | 4 | manner |
| for such year | 3 | temporal |
| in such form | 3 | other |
| taxpayer → keep → book | 13 |
| taxpayer → maintain → book | 9 |
| taxpayer → kept → book | 3 |
| negative | neutral | positive |
| 0.192 | 0.758 | 0.050 |
| Raw frequency | 25 |
| Normalized frequency | 0.414 |
| Modifier score | 1.000 |
| Perplexity | 113.061 |