$[$The following information applies to the questions displayed below.$]$ Trey Monson starts a merchandising business on December $1$ and enters into the following three inventory purchases. Monson uses a perpetual inventory system. Also, on December $15,$ Monson sells $15$ units for $$32$ each. Purchases on December $710$ units @ $$18\mathrm{.}00$ cost Purchases on December $1420$ units @ $$24\mathrm{.}00$ cost Purchases on December $2115$ units @ $$26\mathrm{.}00$ cost Of the units sold, $8$ are from the December $7$ purchase and $7$ are from the December $14$ purchase. Determine the costs assigned to ending inventory when costs are assigned based on specific identification.