Carla Vista Company uses a perpetual imventory system and reports the following for the month of June: (31) Calculate the weighted-average cost per unit using a perpetualimentory system. Assume a sale of 400 units occurred on June 15 for a selling price of 59 and a sale of 55 units on June 27 for $10. (Round intermedlate cakculotions to 0 decimal places, e. 152and final answers to 3 decimai places es. 5.125.) June 1 June 12 : 5 June 15 June 23 June27 5