In: Accounting
1.
| Variable cost per unit | Units | Units | Units | |
| 160,000 | 170,000 | 175,000 | ||
| Production cost | ||||
| Variable | ||||
| Direct Materials | 7.20 | 1,152,000 | 1,224,000 | 1,260,000 |
| Direct Labour | 1.54 | 246,400 | 261,800 | 269,500 |
| Variable Overheads | ||||
| Supplies | 0.23 | 36,800 | 39,100 | 40,250 |
| Maintenance | 0.19 | 30,400 | 32,300 | 33,250 |
| Power | 0.18 | 28,800 | 30,600 | 31,500 |
| Total variable costs | 9.34 | 1,494,400 | 1,587,800 | 1,634,500 |
| Fixed overhead | ||||
| Supervision | 98,000 | 98,000 | 98,000 | |
| Depreciation | 76,000 | 76,000 | 76,000 | |
| Other overhead | 245,000 | 245,000 | 245,000 | |
| Total fixed costs | 419,000 | 419,000 | 419,000 | |
| Total production cost | 1,913,400 | 2,006,800 | 2,053,500 |
2.
| Unit cost | Cost per unit | |
| 160,000 | 1,913,400 | 11.96 |
| 170,000 | 2,006,800 | 11.80 |
| 175,000 | 2,053,500 | 11.73 |
3. If maintenance cost rose by $0.03 per unit to 0.22 per unit
| Unit cost | Cost per unit | |
| 160,000 | 1,913,400 + (160,000 x 0.03) = 1,918,200 | 11.99 |
| 170,000 | 2,006,800 + (170,000 x 0.03) = 2,011,900 | 11.83 |
| 175,000 | 2,053,500 + (175,000 x 0.03) = 2,058,750 | 11.76 |