15 units Beginning inventory Purchase on May 1 $6 per unit $7 per unit 30 units 25 units Sale on May 2 Purchase on May 3 35 units $8 per unit Sale on May 3 40 units Purchase on May 4 20 units $9 per unit What is the value of the ending inventory using a perpetual inventory system with the weighted-average costing method? (Depending on rounding, your answer may not be exact to the penny, but should be within a dollar of those given below.) $255.41 $264.28 $273.54 $292.95 15 units Beginning inventory Purchase on May 1 Sale on May 2 $6 per unit $7 per unit 30 units 25 units Purchase on May 3 35 units $8 per unit 40 units Sale on May 3 Purchase on May 4 20 units $9 per unit What is the value of the ending inventory using a perpetual inventory system with the FIFO costing od? $270 $275 $300 $460