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 $$29$ each.

Purchases on December $7$

Purchases on December $14$

Purchases on December $21$

$10$ units @ $$15\mathrm{.}00$ cost

$20$ units @ $$21\mathrm{.}00$ cost

$15$ units @ $$23\mathrm{.}00$ cost

QS $5-13($Algo$)$ Perpetual: Inventory costing with weighted average LO P$1$

Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method.

Note: Round your per unit costs to $2$ decimal places.