Greenland Company reported the following March purchases and sales data for its only product. For

specific identification, the ending inventory consists of $250$ units from the March $28$ purchase, $30$ units

from the March $15$ purchase, and $50$ are from beginning inventory.

On March $1,$ Greenland had beginning inventory of $120$ units @ a cost of $$8\mathrm{.}00$ each

On March $10,$ Greenland sold $80$ units @ retail price of $$20\mathrm{.}00$ each

On March $15,$ Greenland purchased $100$ units @ a cost of $$7\mathrm{.}00$ each

On March $20,$ Greenland sold $60$ units @ a retail price of $$22\mathrm{.}00$ each

On March $28,$ Greenland purchased $250$ units @ a cost of $$6\mathrm{.}50$ each

First, assume Greenland uses a periodic inventory system. They update inventory balances at the end of

each month and record related transactions.

Calculate the ending inventory value and the cost of goods sold using FIFO.

Calculate the ending inventory value and the cost of goods sold using LIFO.

Calculate the ending inventory value and the cost of goods sold using weighed average.

Calculate the ending inventory value and the cost of goods sold using specific identification.

Next assume, Greenland uses a perpetual inventory system.

Calculate the ending inventory value and the cost of goods sold using FIFO.

Calculate the ending inventory value and the cost of goods sold using LIFO.