The Luann Company uses the periodic inventory system. The following July data are for an item in Luann's inventory:

July $1$ Beginning inventory $30$ units @ $$10$ per unit

$10$ Purchased

$40$ units @ $$12$ per unit

$15$ Sold

$60$ units

$26$ Purchased

$30$ units @ $$15$ per unit

$(1)$ Using FIFO, the company's Cost of goods sold is and Cost of ending inventory is

$(2)$ Using LIFO, the company's Cost of goods sold is and Cost of ending inventory is

$(3)$ Using weighted$-$average cost, the company's Cost of goods sold is and Cost of ending inventory i