A business applies the weighted average cost (AVCO) method to value inventory. On 1 September, 50 units were bought for $4.00 per unit. Then, on 10 September, a further 30 units were bought for $4.80 per unit. On 21 September, 15 units were sold. What was the cost per unit of the units sold?
- A$4.00
- B$4.30
- C$4.40
- D$4.80