Mini-Exercise 5-6 Cost flow assumptions-FIFO and LIFO using a periodic system LO 7,8 The beginning inventory was 410 units at a cost of $10 per urG ods available for sale du ng the year ere 1.630 unit at a total cost of $18.030. In May, 710 units ere puchased at a total cost of S7 10 The on y other purchase ansa on oc med d ng October. Ending inventory was 715 r ls. Required a. Calculate the number of units purchased in October and the cost per unit purchased in Oclober Number of units Cost per 3 12 b-1.Assume the periodic inventory system is used Caculate cost of goods sold and ending inventory using FIFO method. (Enter all values as a positive value.) Cost of of cost per Avalable sold Goods of units of units in Cost per Cost of luaf cost per | Ending unst Goods Sold ending Invantory 10: May October b-2. Assume the periodic inventory system is used. Calculate cost of goods sold and ending invenlory using LIFO method. I(Enter all values as a positive value.) Wof Cost per Cost of Goods of units Cosl per Cost of of Cost per Ending Goods Scla in ending C Beg Inventory May