Calculate the average cost per unit, using a perpetual inventory system. Assume a sale of 420 units occurred on June 15 for a selling price of $7 and a sale of 50 units on June 27 for $8. (Round answers to 3 decimal places, e.g. 5.125.)

Pronghorn Corp uses a perpetual inventory system reports the following for the month of June. (a) Calculate the average cost per unit, using a perpetual inventory system. Assume a sale of 420 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 15$ June 23$ June 27$