Monty Corp. reports the following for the month of June Date Explanation Units Unit Cost Total Cost June 1 12 23 30 Inventory Purchases Purchases Inventory 352 187 195 $5 6 7 $555 2,112 1,309 A sale of 403 units occurred on June 15 for a selling price of $8 and a sale of 52 units on June 27 for $9 Calculate the average cost per unit, using a perpetual inventory system. (Round answers to 3 decimal places, e.g. 5.125.,) June 1 s June 12 s June 15 June 23 s June 27 $