The following data relate to activity and costs for two recent months:
|
November |
December |
|
|
Activity level in units |
5,000 |
10,000 |
|
£ |
£ |
|
|
Variable costs |
10,000 |
? |
|
Fixed costs |
30,000 |
? |
|
Semi-variable costs |
20,000 |
? |
|
Total costs |
60,000 |
75,000 |
Assuming that both activity levels are within the relevant range, calculate for December the:
- variable costs;
- fixed costs;
- semi-variable costs.