Question $5($Cost of Goods Sold, FIFO, Average Cost, Inventory Turnover Ratio$)$

The following is partial information of the income statement of Fortress Company Limited for the month of February $2021$ under two different inventory costing methods, assuming the use of a periodic inventory system:

$\backslash$table$[[,$Units,$\backslash$table$[[$First In First$],[$Out$],[("$FIFO$")]],$Average Cost$],[,,$$$,$$