Periodic Inventory Using FIFO, LIFO, and Weighted Average Cost Methods

The units of an item available for sale during the year were as follows:

$\backslash$table$[[$Jan$.1,$Inventory,$12$ units at $$2,400,$$$28,800.$ Aug. $7,$ Purchase,$15$ units @ $$2500,$ $$37500.$ Dec. $11,$ Purchase, $10$ units @ $$2600,26000.37$ units, $$92,300.$ There are $19$ units of the item in the physical inventory at December $31.$ Determine the inventory cost using $($a$)$ the first in$,$ first out$($FIFO$)$ method; $($b$)$ the last in$,$ first out$($LIFO$)$ method; and $($c$)$ the weighted average cost method $($round per unit cost to two decimal places and final answer to the nearest dollar.