Specific Identifcation, FIFO, LIFO, and Weighted$-$Average

Required: Calculate the total amount to be assigned to cost of goods sold for the fiscal year ended September $30,20-2,$ and ending inventory on September $30,20-2,$ under each of the following inventory methods.

$1.$FIFO$-$ Cost of goods sold cost of ending inventory

$2.$ LIFO$-$ Cost of goods sold cost of ending inventory

$3.$ Weighted$-$average $($round calculations to two decimal places$)$ cost of goods sold cost of ending inventory

$4.$Specific identification$-$ cost of goods sold cost of ending inventory