$4$ The following is from the records of Big Corp. which uses the perpetual method.

Calculate the total dollar amount for goods available for the month of May:

$7168$

Determine the number of units in the ending inventory at May $31.$

C$.$ Determine the total sales for the month

Calculate the dollar amounts of ending inventory and cost of goods sold and gross profit using the

FIFO METHOD.

Cost of Goods Sold

Gross Profit

Calculate the dollar amounts of ending inventory and cost of goods sold and gross profit using the

LIFO METHOD.

Cost of Goods Sold

Gross Profit