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,$7$ units at $$37,$$$259,,],[$Aug$.13,$Purchase,$19$ units at $$39,741,,],[$Nov$.30,$Purchase,$14$ units at $$40,560,,],[$Available for sale,$40$ units,$$1,560$