Round to the nearest dollar.

Ferrell Gas made the following purchases of fuel tanks during the year: $25$ at $$270$ each,

$40$ at $$330$ each, $15$ at $$217$ each, and $30$ at $$284$ each. An inventory shows that $45$ fuel

tanks remain. Find the inventory value using the weighted$-$average method.

Find the value of the inventory listed in Exercise $19$ using $($a$)$ the FIFO method and $($b$)$

the LIFO method.