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Required information [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 $37 each. Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method. (Round your per unit costs to 2 decimal places.) Required information [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 $37 each. 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. 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 $37 each. Purchases on Decenber 7 units 10 e $23.00 cost Purchases on Decenber 1420 units $29.00 cost Purchases on Decenber 21 is units $31.20 cost Determine the costs assigned to ending inventory when costs are assigned based on the LIFO method