7. A company reports the following beginning inventory and purchases for the month of January. On January26, the company sells 360 units. What is the cost of the 155 units that remain in ending inventory at January 31, assuming costs are assigned based on a perpetual inventory system and use of FIFO? Additional information: Beginning inventory on Jan.01 has 320 units with units cost $6, on Jan.9 purchase 85units with units cost $6.40, on Jan.25 purchase 110units with units cost $6.60. 8. Refer to the information in question 7 and assume the perpetual inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on LIFO.