The beginning inventory was $500$ units at a cost of $$11$ per unit. Goods available for sale during the year were $1,900$ units at a total cost of $$22,900.$ In May, $800$ units were purchased at a total cost of $$9,600.$ The only other purchase transaction occurred during October. Ending inventory was $850$ units.

Required:

a$.$ Calculate the number of units purchased in October and the cost per unit purchased in October.

b$.1.$ Assume the periodic inventory system is used. Calculate cost of goods sold and ending inventory using FIFO method.

$2.$ Assume the periodic inventory system is used. Calculate cost of goods sold and ending inventory using LIFO method.

Complete this question by entering your answers in the tabs below.

Required A

Required B$1$

Required B$2$

Assume the periodic inventory system is used. Calculate cost of goods sold and ending inventory using LIFO method.

Note: Enter all values as a positive value.

$\backslash$table$[[$Periodic LIFO,Cost of Goods Available for Sale,Cost of Goods Sold,Inventory Balance$],[$Periodic LIFO,Number of units,Cost per unit,Cost of Goods Available for Sale,Number of units sold,Cost per unit,Cost of Goods Sold,Number of units in ending inventory,Cost per unit,Ending Inventory$],[$Beginning Inventory,,,$ $0,,,,,,],[$Purchases:$,,,,,,,,,],[$May$,,,0,,,,,,],[$October$,,,0,,,,,,],[$Total$,0,,$$$0,0,,$$ $0,0,,$$ $0]]$