On August $1,$ Micro Encoders, Inc. had $120$ units of a certain software package that cost $$6$ per unit. During August, the following purchases were made:

August $760$ units @ $$9\mathrm{.}00$ per unit

$1580$ units @$$12\mathrm{.}00$ per unit

$21140$ units @ $$10\mathrm{.}50$ per unit

During August, $300$ units were sold. If Micro Encoders uses the weighted average method, the cost of ending inventory would be

$$2,767\mathrm{.}50$

$$2,812\mathrm{.}20$

$$937\mathrm{.}50$

$$922\mathrm{.}50$