Beg Goods 850
January Sales 3500
25% of Following Months 950 -3600
End January 950 -3175
March Sales 3300
25 % of March (End of Feb) 825 -5425
April Sales 5000
25% of April (End of March) 125
Purchases in January 3600
Purchases in February 3175
Purchases in March 5425
Times Cost 0.2
Total $2,440.00
We have to account for the Beginning Inventory and then subtract the sales in the period and the desired ending inventory. This will give us the per month amount needed to satisfy the conditions.