*E6-16 Moath Company reports the following for the month of June. st Date Explanation Units Unit Cost Total Cost June 1 12 23 30 200 300 $1,000 2,400 2,100 $5 Inventory Purchase Purchase Inventory 100 Instructions (a) Calculate the cost of the ending inventory and the cost of goods sold for each cost flow assumption, using a perpetual inventory system. Assume a sale of 440 units occurred on June 15 for a selling price of $8 and a sale of 360 units on June 27 for $9. (b) How do the results differ from E6-6 and E6-8? (c) Why is the average unit cost not $6 [($5 + $6+ $7)+3 $6]