A$)$ Calculate Splish, brother supplies, LTD$,$ ending inventory balance, using weighted average? At the beginning of its operations in March $2024,$ Splish Brothers Supplies Ltd$.$ began with $6,840$ units of inventory that it purchased at a cost of $$7\mathrm{.}50$ each. The company's purchases during March were as follows:

March $13$

$4,560$ units @ $$8\mathrm{.}25$

Sales during March:

March $2$

$4,560$ units

March $20$

$2,560$ units

Splish Brothers Supplies uses a perpetual inventory system.