Sterling Supply Uses a Periodic Inventory System Round Per Unit Cost to Two Decimal Places

Sterling Supply uses a periodic inventory system.Sterling Supply sold 25 globes during March.Other data for March includes:
$$\begin{array} { | c | l | c | } \hline \text { Mar. 1 } & \text { Balance } & 30 @ \$ 12 \\\hline 11 & \text { Purchased } & 20 @ \$ 15 \\\hline 25 & \text { Purchased } & 10 @ \$ 10 \\\hline\end{array}$$
Round per unit cost to two decimal places.Ending inventory under the weighted-average method is:

A) $281.25.
B) $155.00.
C) $443.45.
D) $168.75.