$4.$ Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include $105$ units from beginning inventory, $235$ units from the March $5$ purchase, $85$ units from the March $18$ purchase, and $125$ units from the March $25$ purchase.

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

$[$The following information applies to the questions displayed below.$]$

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

for March.