Exercise 6-05 Pearl Industries uses a periodic inventory system. Its records show the following for the month of May, in which 76 units were sold. Units Unit Cost Date May 1 Explanation Inventory Purchase Purchase Total Cost $324 240 440 $1,004 24 Total Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e., 5.125.) Weighted average unit cost LINK TO TEXT LINK TO VIDEO Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round answers to o decimal places, e.g. 125.) FIFO VERAGE-COST The ending inventory at May 31s