A regional microbrewery analyzed its production costs at different weekly output levels of craft beer casks. The table below outlines its average variable costs and average total costs:
| Output (casks) | Average variable costs (£) | Average total costs (£) |
|---|---|---|
| 50 | 120 | 210 |
| 100 | 105 | 150 |
| 150 | 95 | 125 |
When the microbrewery increases its weekly output from
50 to 100 casks, average fixed costs fall by £15.
50 to 100 casks, average fixed costs fall by £45.
100 to 150 casks, average fixed costs fall by £25.
100 to 150 casks, average fixed costs fall by £10.