$\backslash$table$[[$Date$,$Transaction,Number of Units,Unit Cost,Total Cost$],[$January $1,$Beginning inventory,$42,$$ $34,$$ $1,428],[$April $7,$Purchase,$122,36,4,392],[$July $16,$Purchase,$192,39,7,488],[$October $6,$Purchase,$102,40,4,080],[,,458,,$$ $17,388]]$

For the entire year, the company sells $411$ units of inventory for $$52$ each.

Required:

$1-$a & b$.$ Using FIFO, calculate ending inventory and cost of goods sold.

$1-$c & d$.$ Using FIFO, calculate sales revenue and gross profit.

$2-$a & b$.$ Using LIFO, calculate ending inventory and cost of goods sold.

$2-$c & d$.$ Using LIFO, calculate sales revenue and gross profit.

$3-$a & b$.$ Using weighted$-$average cost, calculate ending inventory and cost of goods sold.

$3-$c & d$.$ Using weighted$-$average cost, calculate sales revenue and gross profit.

$4.$ Determine which method will result in higher profitability when inventory costs are rising.