Table:
|  | 2019 | 2018 |
| --- | --- | --- |
|  | £m | £m |
| Amounts owed by Group undertakings | 414.7 | 439.9 |
| Deferred tax asset | 1.2 | 0.8 |
| Total | 415.9 | 440.7 |
Paragraphs:
4. Debtors
Amounts owed by Group undertakings are non-interest-bearing, unsecured and have no fixed date of repayment.
Question:
What was the change in deferred tax asset in 2019 from 2018?
Answer: 1.2-0.8 = 0.4