Sala Corporation, a newly formed corporation, has the following transactions during October, its first month of operations.

October$1$

$$

Purchased $2500$ units @ $$22\mathrm{.}00$ each.

$4$

Sold $1300$ units @ $$36\mathrm{.}00$ each.

$6$

Sold $1000$ units @ $$36\mathrm{.}50$ each.

$11$

Purchased $700$ units @ $$22\mathrm{.}50$ each.

$13$

Sold $650$ units @ $$37\mathrm{.}00$ each.

$20$

Purchased $250$ units @ $$23\mathrm{.}25$ each.

$22$

Sold $275$ units @ $$36\mathrm{.}00$ each.

$27$

Sold $150$ units @ $$37\mathrm{.}00$ each.

$28$

Purchased $500$ units @ $$23\mathrm{.}75$ each.

$30$

Sold $100$ units @ $$37\mathrm{.}25$ each.

Determine the total sales, cost of merchandise sold, gross profit, and ending inventory using each of the following inventory methods:

$1.$ FIFO perpetual

$2.$ FIFO periodic

$3.$ LIFO perpetual

$4.$ LIFO periodic

$5.$ Weighted average cost periodic