Answer and Explanation:
The computation of the cost od merchandised sold for each sale and the inventory balance after each sale is presented in the attachment below;
The perpetual inventory is the system which updated the inventory as on a regular basis
While on the other hand, Â the weighted average cost method is the method in which the average cost is calculated after each every purchase is made
In the calculation below:
1. The weighted average cost of $30.90 come from
= (Total inventory cost) ÷ (Total quantity)
= ($180,000 + $1,674,000) ÷ (60,000 units)
= $30.90
1. The weighted average cost of $31.60 come from
= (Total inventory cost) ÷ (Total quantity)
= ($463,500 + $674,100) ÷ (36,000 units)
= $31.60