help with all marked wrong Required:

Compute cost of goods available for sale and the number of units available for sale.

Answer is complete but not entirely correct.

Compute the number of units in ending inventory.

Answer is complete and correct.

Compute the cost assigned to ending inventory using

$($a$)$ FIFO,

$($b$)$ LIFO,

$($c$)$ weighted average, and

$($d$)$ specific identification.

For specific identification, units sold consist of $695$ units from beginning inventory, $395$ from the February $10$ purchase, $295$ from

the March $13$ purchase, $145$ from the August $21$ purchase, and $440$ from the September $5$ purchase.

Note: Round your average cost per unit to $2$ decimal places. Round your final answers to the nearest whole dollar amount.

Answer is complete but not entirely correct.

Compute gross profit earned by the company for each of the four costing methods.

Note: Round your average cost per unit to $2$ decimal places. Round your final answers to the nearest whole dollar amount.

Answer is complete but not entirely correct.