Adam Company uses a weighted-average perpetual inventory system, and has the following purchases and sales:

January 1	20 units were purchased at $10 per unit.
January 12	12 units were sold.
January 20	18 units were purchased at $11 per unit.

What is the value of ending inventory? (Round average cost per unit to 2 decimal places, and final answer to the nearest dollar.)

Group of answer choices

A) $278.

B) $272.

C) $126.

D) $398.

E) $120.