減価償却費 - 受託事業、ETCマイレージサービス引当金の増減額（△は減少）、工具他2件
- 【期間】
| 年度 | 減価償却費 - 受託事業 | ETCマイレージサービス引当金の増減額（△は減少） | 工具 | 減損損失累計額 | Reserve For Safety Measure And Service Advancement Provision |
|---|
| 2008/03 | - | | -15.3億 | | 5.4億 | | - | | - | |
| 2009/03 | - | | -3.81億 | 赤縮 | 5.23億 | -3.1% | - | | - | |
| 2010/03 | - | | -7.72億 | 赤拡 | 5.83億 | +11.5% | - | | - | |
| 2011/03 | - | | - | | 11.3億 | +94.2% | -17百万 | | - | |
| 2012/03 | - | | - | | 9.51億 | -16% | 0 | +100% | - | |
| 2013/03 | 0 | | - | | 12.3億 | +29.8% | - | | - | |
| 2014/03 | 0 | | - | | 12.3億 | -0.6% | - | | - | |
| 2015/03 | 0 | | - | | 10.1億 | -17.8% | - | | - | |
| 2016/03 | 0 | | - | | 14.5億 | +43.6% | - | | - | |
| 2017/03 | 0 | | - | | 13.8億 | -5% | - | | - | |
| 2018/03 | 0 | | - | | 19.4億 | +40.8% | - | | - | |
| 2019/03 | 0 | | - | | 20.8億 | +7.2% | - | | - | |
| 2020/03 | 0 | | - | | 19億 | -8.3% | - | | - | |
| 2021/03 | 0 | | - | | 18.2億 | -4.4% | - | | - | |
| 2022/03 | 0 | | - | | 35.2億 | +93.4% | - | | - | |
| 2023/03 | 0 | | - | | 17.4億 | -50.6% | - | | - | |
| 2024/03 | 0 | | - | | 17.7億 | +1.8% | - | | - | |
