3 (15 marks) Jumba Jookiba Inc. has the following inventory purchases during the fiscal year ended December 31, 2020. Beginning 200 units $55/unit Feb 18 450 units $56/unit Apr 30 200 units $57/unit May 18 230 units $58/unit Nov 20 345 units $59/unit Jumba Jookiba Inc. employs the perpetual inventory system and had sales during the year in December of 865 units. Required: 1. Calculate units remaining in ending inventory. 2. Calculate the dollar value of ending inventory using (a) FIFO method; (b) Weighted-Average method