Can someone help me?

1)

Grouper Corp.reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 120 $600 12 Purchases 391 6 2,346 23 Purchases 210 1.470 30 Inventory 233 A sale of 441 units occurred on June 15 for a selling price of $7 and a sale of 47 units on June 27 for $8. Calculate the average cost per unit, using a perpetual inventory system. (Round answers to 3 decimal places, e.g. 5.125.) June 1 $ June 12 $ June 15 $ June 23 $ ta June 27 $