option for the black FIFO/Average/both increase/decrease/don't change

Sheffield Ltd. uses the perpetual inventory system and reports the following inventory transactions for the month of June Date Explanation Units Unit Cost Total Cost 1,410 2,320 2,540) 4,700 1,380 (5,790) $5 6 $7,050.00 13,920 une 1 Beginning inventory 12 Purchases 15 Sale 16 Purchases 23 Purchases 27 Sales 32,900 11,040 8