Current Attempt in Progress Ivanhoe Company uses a perpetual inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 140 $5 $700 12 Purchase 360 6 2.160 23 23 Purchase 220 7 1,540 30 Inventory 280 (a1) Calculate the weighted-average cost per unit, using a perpetual inventory system. Assume a sale of 400 units occurred on June 15 for a selling price of $8 and a sale of 40 units on June 27 for $9. (Round intermediate calculations to O decimal places, e.g. 152 and final answers to 3 decimal places, e.g. 5.125.) June 1 $ June 12 $ June 15 $ June 23 $ June 27 $