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Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March.

$\backslash$table$[[\backslash$table$[[$Date$],[$March $1]],$Activities,Units,$\backslash$table$[[$cquired at Cost$],[$$$50\mathrm{.}20$ per unit$]],$Units Sold at Retail$],[\backslash$table$[[$March $1],[$March $5]],\backslash$table$[[$Beginning inventory$],[$Purchase$]],\backslash$table$[[60$ units$],[205$ units$]],$$$55\mathrm{.}20$ per unit,$],[\backslash$table$[[$March $9],[$March $18]],$Sales.,,,$220$ units & $$85\mathrm{.}20$ per unit$],[\backslash$table$[[$March $18],[$March $25]],$Purchase,$65$ units,$($c$)50\mathrm{.}20$ per unit,$],[\backslash$table$[[$March $25],[$March $29]],\backslash$table$[[$Purchase$],[$Sales$]],110$ units,c $$62\mathrm{.}20$ per unit,$90$ units @$$95\mathrm{.}20$ per unit$],[,$Totals,$440$ units,,$310$ units$]]$

Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include $45$ units from beginning inventory, $175$ units from the March $5$ purchase, $25$ units from the March $18$ purchase, and $65$ units from the March $25$ purchase.

Note: Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.

$\backslash$table$[[$Gross Margin,FIFO,LIFO,$\backslash$table$[[$Weighted$],[$Average$]],$Specific ID$],[$Sales$,,,,],[$Less: Cost of goods sold,,,,$],[$Gross profit,,,,$]]$