Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Monson uses a periodic inventory system. Also, on December 15, Monson sells 15 units for $50 each.

Purchases on December 7	8 units @ $20.00 cost
Purchases on December 14	17 units @ $30.00 cost
Purchases on December 21	15 units @ $36.00 cost

Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method. (Round cost per units to 2 decimal places.)