Problem $5-2$AA $($Algo$)$ Part $4$

Compute gross profit earned by the company for each of the four costing methods. For specific identification, the March $9$ sale

consisted of $50$ units from beginning inventory and $180$ units from the March $5$ purchase; the March $29$ sale consisted of $30$ units from

the March $18$ purchase and $70$ units from the March $25$ purchase.

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