Teal Mountain Inc. uses a perpetual inventory system reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 130 $4 $520 12 Purchases 390 5 1,950 23 Purchases 230 6 1,380 30 Inventory 250 (a) Your answer is partially correct. Calculate the average cost per unit, using a perpetual inventory system. Assume a sale of 450 units occurred on June 15 for a selling price of $7 and a sale of 50 units on June 27 for $8. (Round intermediate calculations to 0 decimal places, e.g. 5.250 and final answer to 3 decimal places, e.g. 5.125.) June 1$ June 12$ June 15quad$ June 23$.

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