Table:
|  | 31 March 2019 | 31 March 2018 |
| --- | --- | --- |
|  | $M | $M |
| At 1 April | 0.9 | 0.4 |
| Charge for the year | 0.6 | 0.6 |
| Amounts written off | (0.2) | (0.1) |
| Effects of movements in exchange rates | (0.1) | – |
| At 31 March | 1.2 | 0.9 |
Paragraphs:
The net contract acquisition expense deferred within the Consolidated Statement of Profit or Loss was $0.9M of the total $259.9M of Sales and Marketing costs (2018: $8.4M / $239.9M).
At 31 March 2019, trade receivables at a nominal value of $1.2M (2018: $0.9M) were impaired and fully provided for. Movements in the provision for impairment of receivables were as follows: 31
Question:
What was the percentage change in the value at 31 March in 2019 from 2018?
Answer: (1.2-0.9)/0.9 = 33.33