Table:
|  | 31 March 2019 | 31 March 2018 |
| --- | --- | --- |
|  | $M | $M |
| Cash at bank and in hand | 134.3 | 67.2 |
| Short-term deposits | 37.8 | 52.8 |
| Total cash and cash equivalent | 172.1 | 120.0 |
Paragraphs:
21 Cash and Cash Equivalents
Cash at bank earns interest at floating rates based on daily bank deposit rates. Short-term deposits are made for varying periods of between one day and three months, depending on the immediate cash requirements of the Group, and earn interest at the respective short-term deposit rates.
Question:
How does cash at bank earn interest?
Answer: at floating rates based on daily bank deposit rates