How to find the cost flows

Ming Company uses a perpetual inventory system. It entered into the following purchases and sales trans- actions for April. (For specific identification, the April 9 sale consisted of 8 units from beginning inven tory and 27 units from the April 6 purchase; the April 30 sale consisted of 12 units from beginning inventory, 3 units from the April 6 purchase, and 10 units from the April 25 purchase.) PROBLEM SET B Problem 6-1B Perpetual: Alternative cost flows P1 Units Sold at Retail Activities Units Acquired at Cost Date 20 units a $3,000.00 per unit 30 units a $3,500.00 per unit 35 units $12,000.00 per unit Apr.1 Apr. 6 Apr. 9 Apr. 17 Beginning inventory... Purchase.... Sales ... Purchase... Purchase. Sales ..... Total...... 5 units $4,500.00 per unit 10 units @ $4,800.00 per unit $14,000.00 per unit Apr. 25 Apr. 30 25 units 60 units 65 units