A Company Uses a Weighted-Average Perpetual Inventory System What Is the Per-Unit Value of Ending Inventory on August

A company uses a weighted-average perpetual inventory system.The following transactions took place during the month of August: $\begin{array}{|l|l|}\hline \text { August } 2 & 10 \text { units were purchased at } \$ 12 \text { per unit } \\\hline \text { August } 18 & 15 \text { units were purchased at } \$ 15 \text { per unit } \\\hline \text { August } 29 & 20 \text { units were sold } \\\hline \text { August } 31 & 14 \text { units were purchased at } \$ 16 \text { per unit } \\\hline\end{array}$ What is the per-unit value of ending inventory on August 31? (Round each per unit cost to 2 decimal places. )

A) $12.00
B) $13.80
C) $15.42
D) $16.00
E) $17.74