Based on the informartion given in that document answer: "Given the following data, what is the amount of the ending inventory under first in first out method (FIFO)? o No beginning inventory o 1st purchase: 10 units are purchased and are recorded for an acquisition cost of 10 CU per unit o 2nd purchase: 10 units are purchased and are recorded for an acquisition cost of 12 CU per unit o 15 units are sold at the end of the period for a unit selling price of 18 CU per unit