
The pie-diagram below shows the percentage of expenditures of Paul and Balu per month.





| Teams ↓ | Ratio of Medals Gold : Silver : Bronze |
|---|---|
| A | 5 : 6 : 7 |
| B | 1 : 3 : 2 |
| C | 4 : 5 : 3 |
| D | 1 : 1 : 2 |

If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?